S Fiedler,
M P Perring,
J AF Monteiro,
C Branquinho,
O Buzhdygan,
L A Cavieres,
E E Cleland,
J Cortina-Segarra,
J M Grünzweig,
J A Holm,
K Irob,
T F Keenan,
M Köbel,
F T Maestre,
J Pagel,
N Rodríguez-Ramírez,
P Ruiz-Benito,
F M Schurr,
E Sheffer,
E Valencia,
B Tietjen