C.S. Anabanti (Pretoria, South Africa)
A. Badawi (Sharjah, United Arab Emirates)
G.Y. Chen (Chongqing, China)
S. Davidov (Yerevan, Armenia)
A. Drapal (Praha, Czech Republic)
T. Foguel (Auburn, USA)
T. Kepka (Praha, Czech Republic)
H. Kiechle (Hamburg, Germany)
H.S. Kim (Seoul, Korea)
M.K. Kinyon (South Bend, USA)
A. Krapez (Belgrade, Serbia)
D. Krotov (Novosibirsk, Russia)
S. Markovski (Skopje, North Makedonia)
Q. Mushtaq (Islamabad, Pakistan)
J.D. Phillips (Michigan, USA)
V.N. Potapov (Novosibirsk, Siberia)
N.A. Shchuchkin (Volgograd, Russia)
J.D. H. Smith (Iowa, USA)
P.N. Syrbu (Chisinau, Moldova)
A.A. Ungar (North Dakota, USA)
I.M. Wanless (Melbourne, Australia)