Karl H. Mühling (Germany)

Marta Vasconcelos (Portugal)

Sylvia Schnell (Germany)

Stefanie Wienkoop (Austria)

Vit Gloser (Czech Republic)

Malcolm Hawkesford (UK)

Edgar Peiter (Germany)

Saad Sulieman (Sudan)

Christoph-Martin Geilfus (Germany)

Ricardo Giehl (Germany)