1. Department of Children's Dentistry and Orthodontics; Faculty of Dentistry; University of Malaya; Kuala Lumpur Malaysia
2. Department of Conservative Dentistry; Faculty of Dentistry; University of Malaya; Kuala Lumpur Malaysia
3. Hygieia Innovation Sdn. Bhd; Lot 1G-2G, Lanai Complex No.2; Persiaran Seri Perdana, Precinct 10; Federal Territory of Putrajaya; Putrajaya Malaysia