
Figure 1
Illustration of complex intervention.

Figure 2
Study designs by type and level of allocation.

© 2016 Apostolos Tsiachristas, K. Viktoria Stein, Silvia Evers, Maureen M.P.M.H. Rutten- van Mölken, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.