Njaka STANLEY1*, Dariah Mohd YUSOFF2, Yee Cheng KUEH4, Siti Marwanis ANUA3, Edeogu Chuks OSWALD5
  1. School of Health Sciences, Universiti Sains Malaysia, Ebonyi State University Abakaliki. njakastan@student.usm.my
  2. School of Health Sciences, Universiti Sains Malaysia, dariah@usm.my
  3. Environmental and Occupational Health Programme, School of Health Sciences, Universiti Sains Malaysia, smarwanis@usm.my
  4. School of Medical Sciences, Universiti Sains Malaysia, yckueh@usm.my
  5. Ebonyi state University Nigeria, faculty of medicine, talk2edeogu@yahoo.com
*Corresponding Author: MSc, degreatstan@gmail.com. School of Health Sciences, Universiti Sains Malaysia, 16150 Kubang Kerian Kelatan.