University of Malaya, Kuala Lumpur, Malaysia
University Malaya Medical Centre, Kuala Lumpur, Federal Territory, Malaysia
University Malaya Medical Center, Kuala Lumpur, KL, Malaysia
University Malaya Medical Centre, Petaling Jaya, Kuala Lumpur, Malaysia
University Malaya Medical Centre, Kuala Lumpur, Federal Territory, Malaysia
University Malaya Medical Centre, Kuala Lumpur, Wilayah Persekutuan, Malaysia
Premises of research participants, Petaling Jaya, Selangor, Malaysia
University of Malaya Medical Center, Kuala Lumpur, Wilayah Persekutuan, Malaysia
University Malaya Medical Centre, Kuala Lumpur, Malaysia
Goverment Dental Clinics, Shah Alam, Selangor, Malaysia