The authors would like to thank Dr. Moritz Kurtz for translating the PD-Q from German to Chinese. The authors would also like to thank all subjects and study personnel for participating in this study.
Author contributions
HL, JWYI, JMKL, GKWL, CCFL, RL, VM, THT, CPW, SHSW, CMC, and RF: Conceptualization, Investigation, Data curation, Writing—original draft, Writing—review & editing. All authors read and approved the submitted version.
Conflicts of interest
RF has received consultancy and speaker fees within the past 2 years from AOP Orphan, Grünenthal GmbH, Eli Lilly and Company, Merck Consumer Health, Mitsubishi Tanabe Pharma, Pfizer, Roche Pharma, and Scilex Pharmaceuticals.
Ethical approval
This study’s protocol was approved by the respective Hong Kong Hospital Authority cluster or institutional review boards (IRB) of the six sites participating in the study.
Consent to participate
Informed consent to participate in the study was obtained from all participants.
Consent to publication
Not applicable.
Availability of data and materials
The raw data supporting the conclusions of this manuscript will be made available by the authors, without undue reservation, to any qualified researcher.
Funding
This study was funded by the Multidisciplinary Panel on Neuropathic Pain of Hong Kong and Pfizer Hong Kong.
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