1. Siegel RL, Miller KD, Jemal A. Cancer statistics, 2018. CA Cancer J Clin 2018;68:7-30.
2. Kaatsch P. Epidemiology of childhood cancer. Cancer Treat Rev 2010;36:277-285.
3. Armenian SH, Landier W, Hudson MM, et al. Children’s Oncology Group’s 2013 Blueprint for Research: survivorship and outcomes. Pediatr Blood Cancer 2013;60:1063-1068.
5. Pollock BH, DeBaun MR, Camitta BM, et al. Racial differences in the survival of childhood B-precursor acute lymphoblastic leukemia: a Pediatric Oncology Group Study. J Clin Oncol 2000;18:813-823.
6. Bhatia S, Sather HN, Heerema NA, et al. Racial and ethnic differences in survival of children with acute lymphoblastic leukemia. Blood 2002;100:1957-1964.
7. Haimi M. Delay in diagnosis of children with cancer: a retrospective study of 315 children. Pediatr Hematol 2004;21:37-48.
8. Rajput A, Faizi SA, Nir I, et al. Pediatric melanoma in New Mexico American Indians, Hispanics, and non-Hispanic whites, 1981-2009. Am J Surg 2014;207:412-416.
9. Zhan FB, Lin Y. Racial/ethnic, socioeconomic, and geographic disparities of cervical cancer advanced-stage diagnosis in Texas. Womens Health Issues 2014;24:519-527.
10. Grubb WR, Neboori HJ, Diaz AD, et al. Racial and ethnic disparities in the pediatric Hodgkin lymphoma population. Pediatr Blood Cancer 2016;2016:428-435.
11. Keppel K, Pamuk E, Lynch J, et al. Methodological issues in measuring health disparities. Vital Health Stat 2005;2:1-16.
12. Dang-Tan T, Franco EL. Diagnosis delays in childhood cancer: a review. Cancer 2007;110:703-713.
13. Dang-Tan T, Trottier H, Mery LS, et al. Delays in diagnosis and treatment among children and adolescents with cancer in Canada. Pediatr Blood Cancer 2008;2008:468-474.
14. Stefan DC, Siemonsma F. Delay and causes of delay in the diagnosis of childhood cancer in Africa. Pediatr Blood Cancer 2011;56:80-85.
15. Ahrensberg JM, Olesen F, Hansen RP, et al. Childhood cancer and factors related to prolonged diagnostic intervals: a Danish population-based study. Br J Cancer 2013;108:1280-1287.
16. Abdelkhalek ER, Sherief LM, Kamal NM, et al. Factors associated with delayed cancer diagnosis in Egyptian children. Clin Med Insights 2014;8:39-44.
17. Halperin EC, Friedman HS. Is there a correlation between duration of presenting symptoms and stage of medulloblastoma at the time of diagnosis? Cancer 1996;78:874-880.
18. Cecen E, Gunes D, Mutafoglu K, et al. The time to diagnosis in childhood lymphomas and other solid tumors. Pediatr Blood Cancer 2011;57:392-397.
19. Okcu MF, Goodman KJ, Carozza SE, et al. Birth weight, ethnicity, and occurrence of cancer in children: a population-based, incident case-control study in the State of Texas, USA. Cancer Causes Control 2002;13:595-602.
21. Hsieh MH, Meng MV, Walsh TJ, et al. Increasing incidence of neuroblastoma and potentially higher associated mortality of children from nonmetropolitan areas: analysis of the Surveillance, Epidemiology, and End Results database. J Pediatr Hematol Oncol 2009;31:942-946.
22. Kent EE, Sender LS, Largent JA, et al. Leukemia survival in children, adolescents, and young adults: influence of socioeconomic status and other demographic factors. Cancer Causes Control 2009;20:1409-1420.
23. Metzger ML, Castellino SM, Hudson MM, et al. Effect of race on the outcome of pediatric patients with Hodgkin’s lymphoma. J Clin Oncol 2008;26:1282-1288.
24. Kadan-Lottick NS, Ness KK, Bhatia S, et al. Survival variability by race and ethnicity in childhood acute lymphoblastic leukemia. JAMA 2003;290:2008-2014.
25. Wan N, Zhan FB, Zou B, et al. Spatial access to health care services and disparities in colorectal cancer stage at diagnosis in Texas. Prof Geogr 2013;65:527-541.
26. Whitehead M, Marmot M, Allen J, et al. The concepts and principles of equity and health. Int J Health Serv 1992;22:429-445.
27. Warnecke RB, Oh A, Breen N, et al. Approaching health disparities from a population perspective: the National Institutes of Health Centers for Population Health and Health Disparities. Am J Public Health 2008;98:1608-1615.
29. Goovaerts P, Meliker JR, Jacquez GM. A comparative analysis of aspatial statistics for detecting racial disparities in cancer mortality rates. Int J Health Geogr 2007;6:32.
30. US Department of Health and Human Services. The Secretary’s Advisory Committee on National Health Promotion and Disease Prevention Objectives for 2020. Phase I report. Recommendations for the Framework and Format of Healthy People 2020. https://www.healthypeople.gov/sites/default/files/PhaseI_0.pdf
. Published October 28, 2008. Accessed January 15, 2020.
31. Lin Y, Zhan FB. Geographic variations of racial/ethnic disparities in cervical cancer mortality in Texas. South Med J 2014;107:281-288.
32. Tatalovich Z, Zhu L, Rolin A, et al. Geographic disparities in late stage breast cancer incidence: results from eight states in the United States. Int J Health Geogr 2015;14:1-11.
33. Tian N, Goovaerts P, Zhan FB, et al. Identifying risk factors for disparities in breast cancer mortality among African-American and Hispanic women. Womens Health Issues 2012;22:e267-e276.
34. Kuo TM, Mobley LR, Anselin L. Geographic disparities in late-stage breast cancer diagnosis in California. Health Place 2011;17:327-334.
35. Araz NC, Guler E. Delays in diagnosis of childhood cancer in southeastern Turkey and the associated factors. Pediatr Hematol Oncol 2015;32:153-163.
36. Fajardo-Gutiérrez A, Sandoval-Mex AM, Mejia-Aranguré JM, et al. Clinical and social factors that affect the time to diagnosis of Mexican children with cancer. Med Pediatr Oncol 2002;39:25-31.
37. Pollock BH, Krischer JP, Vietti TJ. Interval between symptom onset and diagnosis of pediatric solid tumors. J Pediatr 1991;119:725-732.
38. Rodrigues KES, Latorre Mdo R, de Camargo B. < Delayed diagnosis in retinoblastoma]. J Pediatr (Rio J) 2004;80:511-516.
39. Fluchel MN, Kirchhoff AC, Bodson J, et al. Geography and the burden of care in pediatric cancers mark. Pediatr Blood Cancer 2014;2014:1918-1924.
41. Fotheringham AS, Wong DWS. The modifiable areal unit problem in multivariate statistical analysis. Environ Plan A 1991;23:1025-1044.