1. Department of General Internal Medicine and Nijmegen Institute for Inflammation, Infection and Immunity; Radboud University Nijmegen Medical Centre; Nijmegen; The Netherlands
2. Faculty of Medicine, Department of Psychiatry; Padjadjaran University/Hasan Sadikin Hospital; Bandung; Indonesia
3. Faculty of Medicine, Department of Biochemistry; Padjadjaran University/Hasan Sadikin Hospital; Bandung; Indonesia
4. Nijmegen Institute for Scientist-Practitioners in Addiction (NISPA); Nijmegen; The Netherlands