1. Department of Pediatrics and Department of Internal Medicine; Rainbow Babies and Children's Hospital, University Hospitals Case Medical Center; Cleveland; Ohio
2. NPH Saint Damien Hospital/Nos Petits Freres et Soeurs; ouest Port-au-Prince; Haiti
3. Azienda Ospedaliera “S.M.D.Angeli” SOC Pediatria; Pordenone; Italy
4. Azienda Ospedaliera “S.M.D.Angeli”; Pordenone; Italy
5. Akron Childrens Hospital; Department of Pediatrics, Division of Hematology/Oncology; Akron; Ohio