Abram, Muhammed Hanif; Van Heerden, Willem Francois Petrus; Rheeder, Paul; Girdler-Brown, B.V. (Brendan); Van Zyl, Andre W.(South African Dental Association, 2012-11)
Beetge, Mia-Michaela; Todorovic, Vladimir S.; Oettle, Anna Catherina; Hoffman, Jakobus; Van Zyl, Andre W.(Nihon University School of Dentistry, 2018-03)