Declaration:
Ethics approval and consent to participate –
Institutional approval by the Johns Hopkins Medical Institution Review
Board was received, and requirement for written informed consent was
waived.
Consent for publication –
Availability of data and materials
All data were de-identified and no personal data was stored. Data was
stored in encrypted institutional computers and devices for analysis
purpose. The datasets during and/or analyzed during the current study
available from the corresponding author on reasonable request.
- Competing interests – None of the authors have any competing
interests
- Funding: Not applicable; all costs and charges were borne by
researchers professional developmental fund
- Authors’ contributions –
SM – Corresponding author; data collection, writing the manuscript
NF – Data analysis, manuscript writing
WG – Manuscript writing, data analysis
SS- Data analysis
SH – Data analysis
KNH – Data collection, revising the critical content of the manuscript
TSM – Manuscript writing, designing the study
LG – Study design
MB – Data collection
BB – Data collection
BC - Data collection
SC - Data collection
DM - Data collection
SOI - Data collection, revising the critical content of the manuscript
NR - Data collection
LL – Data Analysis, study design
JS – Manuscript writing, data collection
RS - Manuscript writing, data collection
NH – Data Collection
AK – Data collection
JMD – Principal investigator, Study design, Manuscript writing, Data
Analysis
Acknowledgements – Not applicable