1. a 19 Victoria Street, Indooroopilly , 4068 , Queensland , Australia
2. b 23 Elmhurst Avenue, London , N2 0LT , UK
3. c DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology , University of Cape Town , Private Bag X3, Rondebosch , 7701 , South Africa