english articles
german articles
german books/chapters
french articles
1. 1 year
2. 1.5 years
3. 10 months
4. 10 weeks
5. 10 years
6. 12 Months
7. 12 weeks
8. 17 months
9. 18 months
10. 18 months, 2005-2006
11. 1975-1986
12. 1979-1989
13. 1980-1982
14. 1981-1982
15. 1982
16. 1983-1984
17. 1986-1987
18. 1986-1998
19. 1988
20. 1988-1989
21. 1989
22. 1989-1990
23. 1989; 1979
24. 1990
25. 1992
26. 1992-1993
27. 1992-1995
28. 1992; 1996
29. 1993-1994
30. 1994-1995
31. 1994; 1996; 1998
32. 1995-1996
33. 1995-2000
34. 1995-2005
35. 1995; 1996; 1999
36. 1996
37. 1996, 1999, 2000–2001
38. 1996-1997
39. 1996-1998
40. 1996-2000
41. 1997
42. 1997-1998
43. 1997-1999
44. 1997-2000
45. 1997; 1998
46. 1998
47. 1998 - ?
48. 1998; 2000-2005
49. 1999
50. 1999-2002
51. 1999-2003
52. 1999-2007
53. 2 months
54. 2 weeks
55. 2 weeks, 3.-19. May and 20.-23. Juny 2015
56. 2 year
57. 2 years
58. 2.5 between studies
59. 2000
60. 2000-(Rwanda); 2000-2003 (Nepal)
61. 2000-2001
62. 2000-2008
63. 2000-2009
64. 2001
65. 2001-2002
66. 2001-2004
67. 2001-2005
68. 2002
69. 2002-2003
70. 2002-2004
71. 2002-2005
72. 2002-2008
73. 2002-2009
74. 2002; 2007-2008
75. 2003
76. 2003-2004
77. 2003-2006
78. 2004
79. 2004-2005
80. 2004-2006
81. 2004-2007
82. 2004-2008
83. 2004-2010
84. 2004-2012
85. 2005
86. 2005-2005
87. 2005-2006
88. 2005-2007
89. 2005; 2006; 2007
90. 2006
91. 2006-2007
92. 2006-2009
93. 2006; 2007; 2007-2008
94. 2007
95. 2007-2008
96. 2007-2008;2008-2009
97. 2007-2009
98. 2008
99. 2008   2005   2007
100. 2008 (1 year)
101. 2008-2009
102. 2008-2010
103. 2008-2011
104. 2009
105. 2009-2010
106. 2009-2011
107. 2009; 2010-2011
108. 2010
109. 2010-2011
110. 2011
111. 2011-2012
112. 2011-2013
113. 2011-2014
114. 2011/2012
115. 2012
116. 2012-2013
117. 2012-2013 (4 months per country)
118. 2013
119. 2013-2014
120. 2014-2015
121. 2015
122. 26 months; 2011-2013
123. 3 months
124. 3 year
125. 3 year (2004-2008)
126. 3 years
127. 4 months
128. 4 weeks
129. 5 months
130. 5 weeks
131. 6 months
132. 6 sessions
133. 7 weeks
134. 7 years
135. 8 months
136. 8 weeks
137. July/August 1999
138. June and July 1994
139. Mai - June 1999
140. March - September 2013
141. May-July 2000; 12 Weeks Intervention
142. Nov.-dez. 1990
143. November 1999 - July 2000
144. November 2002 - May 2003
145. different points
146. jul - oct 2013
147. school
148. study 1: 2002 ; study 2: 2002-2003
age range
mean age
specific age
age group: child
age group: school
age group: college, university
age group: other
101. dublicate
102. no access
103. not an article
104. language
105. target group
106. type (best practice etc)
107. not peer-reviewed
108. not a book/chapter
109. time frame
1 person
small (2-20)
medium (21-149)
large (>149)
multiple
not applicable
female
male
mixed
not specified