All the participating gardens are listed on www.opensquares.org.uk, with map details, a short history of each and information about tours, refreshments available and other events that take place in some of the gardens; check the Web site for days open; some are open one day only.
The National Leaders of participating countries are listed in Appendix 1.
The participating sites are listed in the appendix.
Baseline characteristics of participating patients are listed in Table 1.
Details about the participating institutions are listed in Table 1.
REVA correspondents for each participating center are listed in the list of contributors.
OUTCOMEREA senior physicians and participating centers are listed in the Acknowledgements.
Additional co-authors and participating institution are listed in the additional file 1.
The protocol has been published in detail previously [ 16], and the participating investigators are listed in Additional file 1).
Children aged 6 to 19 years old were recruited at the 4 Polish pediatric hospitals from July 2008 till April 2011 (the participating centers are listed in the acknowledgments).
