1. Department of Psychology, Neuroscience and Behaviour, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4K1
2. Department of Musicology, Tokyo University of the Arts, Tokyo, Japan
3. Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
4. Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan, Republic of China
5. Mackay Memorial Hospital, New Taipei City, Taiwan, Republic of China