Funding for this research was provided by:
National Institute for Occupational Safety and Health (T42OH008455)
Received: 16 June 2017
Accepted: 4 September 2018
First Online: 1 October 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The visits were conducted as routine nail services without notification of the research purpose. Our procedures were vetted by our institutional review board (IRB). We neither requested nor collected personal information or business information from salon staff or clients, and no interventions were attempted. IRB staff at the University of Michigan confirm our reasoning.