1 Bellvitge University Hospital, Ophthalmology Department, Carrer de la Feixa Llarga, s/n, L'Hospitalet de Llobregat, 08907, Barcelona, Spain. Electronic address: juanfra.sa21@gmail.com.
2 Sant Joan de Deu Hospital, Ophthalmology Department. Pediatric Intraocular's tumours Unit, Passeig de Sant Joan de Déu, 2, Barcelona, Catalunya 08950, Spain.
3 Barcelona Children's Hospital Sant Joan de Déu, Oncology Department, Pediatric Intraocular's tumours Unit, 78423 Barcelona, Spain.
4 Barcelona Children's Hospital Sant Joan de Déu, Anesthesiology Department, Pediatric Intraocular's tumours Unit, 78423 Barcelona, Spain.