Ifran E.K.B., Department of Child Health, Faculty of Medicine Universitas Indonesia—Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Hegar B., Department of Child Health, Faculty of Medicine Universitas Indonesia—Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Rohsiswatmo R., Department of Child Health, Faculty of Medicine Universitas Indonesia—Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Indriatmi W., Department of Dermatology and Venereology, Faculty of Medicine Universitas Indonesia—Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Yuniarti T., Department of Child Health, Faculty of Medicine Universitas Padjajaran—Dr. Hasan Sadikin General Hospital, Bandung, Indonesia; Advani N., Department of Child Health, Faculty of Medicine Universitas Indonesia—Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Santoso D.I.S., Department of Physiology, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Masui M., Department of Child Health, Faculty of Medicine Universitas Indonesia—Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Hikmahrachim H.G., Department of Child Health, Faculty of Medicine Universitas Indonesia—Dr. Cipto Mangunkusumo National Central General Hospital, Jakarta, Indonesia; Huysentruyt K., Vrije Universiteit Brussel (VUB), UZ Brussel, KidZ Health Castle, Brussels, Belgium; Vandenplas Y., Vrije Universiteit Brussel (VUB), UZ Brussel, KidZ Health Castle, Brussels, Belgium