Dragana Duisin (Belgrade gender dysphoria team), Borko Stojanović (University Children’s Hospital), Vladimir Kojovic (Belgrade Gender Team, Mother and Child Health Care Institute of Serbia "Dr Vukan Cupic"), Marta Bizic (Belgrade Gender Team, Urology Department of University Children's Hospital and Belgrade Center for Genital Reconstructive Surgery School of Medicine, University of Belgrade, Serbia), Svetlana Vujovic (Clinic of endocrinology, diabetes and diseases of metabolism, Clinical Center of Serbia, School of Medicine, University of Belgrade, Serbia), Miroslav Djordjevic (University of Belgrade), Jasmina Barisic (Cabinet for Transgender states, Clinic for Psychiatry Clinical Center of Serbia, School of Medicine, University of Belgrade, Serbia.)