Donald E Greydanus, MD, Dr. HC (Athens), FAAP, FSAM (Emeritus), FIAP (HON) is Professor and Founding Chair of the Department of Pediatric and Adolescent Medicine, as well as Pediatrics Program Director at the Western Michigan University Homer Stryker MD School of Medicine (WMED), Kalamazoo, Michigan, USA. He is also Professor of Pediatrics and Human Development at Michigan State University College of Human Medicine (East Lansing, Michigan, USA) as well as Clinical Professor of Pediatrics at MSU College of Osteopathic Medicine in East Lansing, Michigan, USA. Received the 1995 American Academy of Pediatrics' Adele D. Hofmann Award for Distinquished Contributions in Adolescent Health, the 2000 Mayo Clinic Pediatrics Honored Alumnus Award for National Contributions to the field of Pediatrics, and the 2003 William B Weil, Jr., MD Endowed Distinguished Pediatric Faculty Award from Michigan State University College of Medicine for National and international recognition as well as exemplary scholarship in pediatrics. Received the 2004 Charles R Drew School of Medicine (Los Angeles, CA) Stellar Award for contributions to pediatric resident education and awarded an honorary membership in the Indian Academy of Pediatricsan honor granted to only a few pediatricians outside of India. Was the 2007-2010 Visiting Professor of Pediatrics at Athens University, Athens, Greece and received the Michigan State University College of Human Medicine Outstanding Community Faculty Award in 2008 Joav Merrick, MD, MMedSci, DMSc, born and educated in Denmark is professor of pediatrics, child health and human development, Division of Pediatrics, Hadassah Hebrew University Medical Center, Mt Scopus Campus, Jerusalem, Israel and Kentucky Children's Hospital, University of Kentucky, Lexington, Kentucky United States and professor of public health at the Center for Healthy Development, School of Public Health, Georgia State University, Atlanta, United States, the medical director of the Health Services, Division for Intellectual and Developmental Disabilities, Ministry of Social Affairs and Social Services, Jerusalem, the founder and director of the National Institute of Child Health and Human Development in Israel.