1. Faculty of Health Sciences, Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta, Indonesia
2. Faculty of Health Science, Universitas Islam Negeri Syarif Hidayatullah Jakarta, Jakarta, Indonesia
3. Faculty of Public Health, Universitas Islam Negeri Sumatera Utara, Medan, Indonesia;
4. Faculty of Education and Teacher Training, Universitas Islam Negeri Syarif Hidayatullah Jakarta, Jakarta, Indonesia