Risk factors associated with abandonment of care in retinoblastoma: analysis of 692 patients from 10 countries.

Address: Department of Ophthalmology, University of Washington, Seattle, Washington, USA [email protected].; Department of Biostatistics, University of Washington, Seattle, Washington, USA.; Division of Ophthalmology, Seattle Children's Hospital, Seattle, Washington, USA.; Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Yang Pu Qu, Shanghai, China.; Department of Oculoplasty and Ocular Oncology, Ispahani Islamia Eye Institute and Hospital, Dhaka, Bangladesh.; Department of Ophthalmology, Addis Ababa University, Addis Ababa, Ethiopia.; Department of Ophthalmology, Institut Curie, Universite de Paris UFR de Medecine de Paris Centre, Paris, France.; Anglo-American Clinic, Lima, Peru.; Instituto Nacional de Enfermedades Neoplasicas, Lima, Peru.; Head and Neck Tumors, SRI of Pediatric Oncology and Hematology of NN Blokhin National Medical Research Center Oncology of Russian Federation, Moscow, Russian Federation.; Pediatric Oncology, Medical Academy of Postgraduate Education, Moscow, Russian Federation.; Head and Neck Tumors Department, SRI of Pediatric Oncology and Hematology of NN Blokhin National Medical Research Center Oncology of Russian Federation, Moscow, Russian Federation.; Russian Medical Academy of Postgraduate Education, Moscow, Russian Federation.; Chittagong Eye Infirmary and Training Complex, Chittagong, Bangladesh.; The Children's Hospital and the Institute of Child Health, Lahore, Pakistan.; Ophthalmology, Barts Health NHS Trust, London, UK.; Paediatric Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust, London, UK.; NIHR Biomedical Research Centre for Ophthalmology, Joint Library of Ophthalmology Moorfields Eye Hospital and UCL Institute of Ophthalmology, London, UK.; Ocular Oncology, Moorfields Eye Hospital NHS Foundation Trust, London, UK.; Barts Health NHS Trust, The Royal London Hospital, London, UK.; USC Roski Eye Institute, University of Southern California Keck School of Medicine, Los Angeles, California, USA.; The Vision Center, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, California, USA.; International Centre for Eye Health, London School of Hygiene and Tropical Medicine, London, UK.; The Goldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, Israel.; Clinical Research Department, London School of Hygiene and Tropical Medicine, London, UK.; UCL Institute of Ophthalmology, London, UK.; Clinical Research Department, Faculty of Infectious and Tropical Diseases, and International Centre for Eye Health, London School of Hygiene and Tropical Medicine, London, UK.; Sheba Medical Center at Tel Hashomer, Tel Hashomer, Israel.; Division of Ophthalmology, Tel Aviv University Sackler Faculty of Medicine, Tel Aviv, Israel.; Ophthalmology, Sheba Medical Center at Tel Hashomer, Tel Hashomer, Israel.; The Operation Eyesight Universal Institute for Eye Cancer, LV Prasad Eye Institute, Hyderabad, Telangana, India.; International Centre for Eye Health, London School of Hygiene & Tropical Medicine, London, UK.; Department of Ophthalmology, University of Washington, Seattle, Washington, USA.