Randomized controlled trial

Article 1        Presentation 1

Article 2        Presentation 2

Article 3        Presentation 3

Article 4        Presentation 4

Article 5        Presentation 5

Article 6        Presentation 6

Article 7        Presentation 7

Article 8        Presentation 8

Article 9        Presentation 9

Article 10      Presentation 10

Article 11      Presentation 11