1. Department of Economics, Federal University of Bahia, Salvador 40060-300, Brazil
2. Laboratory of Cellular Communication, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-360, Brazil
3. Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan
4. School of Gerontology and Long-Term Care, College of Nursing, Taipei Medical University, Taipei 110, Taiwan