Walnut Creek, CA 94598
Fakultas Kedokteran, Universitas Sumatra Utara, Medan, Sumatera Utara, Indonesia, 10/16/1993
North Shore University Hospital, Manhassett, NY, 6/30/2001
Brookdale University Hospital and Medical Center, Brooklyn, NY, United States of America, 6/30/2004
Women and Children's Hospital of Buffalo, Buffalo, NY, 6/30/2007
Lifestyle Medicine, American Board of Lifestyle Medicine
Pediatric Critical Care Medicine, American Board of Pediatrics
Pediatrics, American Board of Pediatrics