Participants

Sessions

Baseline

Treatment

Follow-up

The first

The second

The third

The second treatment session

The forth treatment session

The eighth treatment session

The twelfth treatment session

One month

Two months

1

41

40

42

39

26

18

19

20

19

2

49

48

49

36

30

25

27

26

25

3

53

51

52

40

19

22

17

16

18