Competing interest
Financial competing interests: JK and DF are employees of Spectral Medical (Toronto, Canada). KD received a speaker’s honorarium for lectures from Toray Industries, Inc. (Tokyo, Japan). No other disclosures were reported. Nonfinancial competing interests: DK and SK are institutional investigators in a clinical trial sponsored by Toray Industries, Inc. (Tokyo, Japan), but receive no payment. No other disclosures were reported.