a1 Co-ordinator, Canadians for Abolition of the Seal Hunt, 6238 Marguerite Street, Vancouver, BC V6M 3L3, Canada.
a2 President of the Royal Society for the Protection of Nature and Chief Justice, High Court, Royal Government of Bhutan, Thimphu, Bhutan.
a3 UFMA, Dept. de Biologia, Largo dos Amores, 21, 65 000 Sao Luis-MA, Brazil.