Daelemans, Siel, Vrije Universiteit Brussel Dalimarta, Angela, Faculty of Medicine, Universitas Indonesia-Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia Dalpatadu, Chamila, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka Damayanti, Moretta, Faculty of Medicine, Universitas Sriwijaya-Moehammad Hoesin General Hospital Damayanti, Moretta, Faculty of Medicine, Universitas Sriwijaya-Moehammad Hoesin General Hospital, Palembang, Indonesia