1. Nur Shahidah Abdul Rashid, Pohang University of Science and Technology
2. Arry Setyawan, STIKes Awal Bros Pekanbaru
3. Ayu Wita Sari, STIKES Guna Bangsa Yogyakarta (google scholar)
4. Fani Susanto, Universitas Muhammadiyah Purwokerto (google Scholar)