Higgins, Victoria, CALIPER programme, Department of Paediatric Laboratory Medicine, The Hospital for Sick Children; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada Hoffman, Piotr Hoffman, Zofia Holec, Elżbieta, Department of Psychiatric Nursing, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland Homa, Piotr Hrapkowicz, Tomasz Husejko, Jakub Iannaccone, Sandro Idaewor, Philip E. Idaewor, Philip Ikele, Chinelo Geraldine Imani, Ramin Işıkdoğan, Abdurrahman Ismail, Ali Mohamed Ali Iwanek, Gracjan Iwanow, Lucyna Izdebska, Magdalena Jabłecka, Anna Jabłońska, Magdalena Jaffe, Allan S. Jagiełło, Grażyna Jagodowski, Piotr Jaguszewski, Milosz Jaguszewski, Miłosz Jaguszewski, Miłosz Jarosław