The Official Journal of the European Society for Comparative Physiology and Biochemistry, the Japanese Society for Comparative Physiology and Biochemistry, Canadian Society of Zoologists (CPB Section), the Society for Experimental Biology, the Society for Integrative and Comparative Biology (formerly the American Society for Zoologists), the Australian and New Zealand Society for Comparative Physiology and Biochemistry, the South American Society for Comparative Physiology & Biochemistry (SASCPB), the Russian Physiological Society, and the Chinese Association for Physiological Sciences Part A: Molecular & Integrative Physiology of Comparative Biochemistry and Physiology deals with molecular, cellular, integrative, and ecological physiology. Topics include bioenergetics, circulation, development, excretion, ion regulation, endocrinology, neurobiology, nutrition, respiration, and thermal biology. Study on regulatory mechanisms at any level of organization such as signal transduction and cellular interaction and control of behavior are also published.