[1] Univ Rochester, Med Ctr, Family Med Res Programs, Rochester, NY 14620 USA
[2] Iran Univ Med Sci, Nursing & Midwifery Fac, CNCR, Tehran, Iran
[3] Lund Univ, Fac Med, Dept Hlth Sci, S-22100 Lund, Sweden
[4] Private Univ Witten Herdecke, Dept Med, Integrated Curriculum Anthroposoph Med ICURAM, Inst Med Theory Integrat & Anthroposoph Med, Witten, Germany
[5] Univ Warwick, Warwick Med Sch, Inst Clin Educ, Coventry CV4 7AL, W Midlands, England
[6] Univ Sydney, Ctr Med Psychol & Evidence Based Decis Making, Sydney, NSW 2006, Australia
[7] Univ New S Wales, Sch Publ Hlth & Community Med, Sydney, NSW 2052, Australia