1. Faculdade de Engenharia da Universidade do Porto, Porto4200-465, Portugal
2. College of Nursing, University of Tennessee, Knoxville, TN, U S A
3. ICBAS – Biomedical Science Institute of Abel Salazar, University of Porto, Porto, Portugal
4. Heidelberg School of Chinese Medicine, Heidelberg, Germany
5. DEMM, Faculdade de Engenharia da Universidade do Porto, PortoPortugal