1. Clinical Research Division, Orthopedics and Traumatology Institute (IOT), Brazil Rua Blumenau, 1316 América Joinville, 89204-251 Joinville, SC, Brazil
2. Research on Research Group, Duke University, Durham, P.O. Box 3094, NC 27710, USA
3. Univille University, Joinville, Brazil Univille Universidade Bairro Bom Retiro Campus Universitário, 89219-950 Joinville, SC, Brazil
4. Singapore Clinical Research Institute, Singapore 31 Biopolis Way, Nanos #02-01, 138669, Singapore
5. Duke-NUS Graduate Medical School, Singapore 8-College Road, SGH Outram Campus, 169857, Singapore
6. Duke University Health System, Durham, P.O. Box 3094, NC 27710, USA