Kholis Ernawati
(1), Umar F. Achmadi
(2), Herika Hayurani
(3)
(1)
Faculty of Medicine Lecturer, University of YARSI, Jakarta 10510, Indonesia ,
(2)
Faculty of Public Health Lecturer, University of Indonesia, Kampus Depok, Indonesia ,
(3)
Faculty of Public Health Lecturer, University of Indonesia, Kampus Depok, Indonesia