1. Faculty of Medicine; Department of Pediatrics; Srinagarind Hospital; Khon Kaen University; Khon Kaen Thailand
2. Faculty of Medicine Ramathibodi Hospital, Department of Pediatrics; Mahidol University; Bangkok Thailand
3. Department of Pediatrics; Queen Sirikit National Institute of Child Health; Bangkok Thailand
4. Department of Pediatrics; Buddhachinaraj Hospital; Phitsanulok Thailand
5. Department of Pediatric Neurology; Prasat Neurological Institute; Bangkok Thailand
6. Faculty of Medicine; Department of Pediatrics; Chiang Mai University; Chiang Mai Thailand