All GSHS surveys were approved in each country by both a national government administrative body and an instit…
As the current study used retrospective publicly available data, we did not require ethics approval.
Ethics statement In each of the participating countries, the GSHS received ethics approval from the Ministry o…
We are aware of only a few previous studies on this topic
类似研究不多 We are aware of only a few previous studies on this topic. For example, Griffith (2019) showed an assoc…
This study has several strengths, but there is also a set of potential study limitations
This study has several strengths, but there is also a set of potential study limitations to consider when inte…
Ethical approval was granted from the Ethics Committee of Stockholm.
Ethical approval was granted from the Ethics Committee of Stockholm. No informed consent was required for thes…
These new findings should be examined alongside several study limitations.
These new findings should be examined alongside several study limitations. First, Second, Third, 出处：Adverse Ch…
approval from an Institutional Review Board was not necessary
Because the data used in this investigation are publicly available and deidentified, approval from an Institut…
No protocol approval was needed for this study
No protocol approval was needed for this study in accordance with the Declaration of Helsinki. The data used w…
This study is not without limitations.
This study is not without limitations. First, these data cannot explain underlying reasons for Second, Third, …
The study was not considered human research
The study was not considered human research according to the review policy of the Research Institute at Nation…