Average rating: | Rated 4 of 5. |
Level of importance: | Rated 4 of 5. |
Level of validity: | Rated 3 of 5. |
Level of completeness: | Rated 4 of 5. |
Level of comprehensibility: | Rated 4 of 5. |
Competing interests: | None |
The authors have made most of the suggested corrections and the manuscript has considerably improved, but it is still unclear how the different methods relate to each other and contribute to the result.