[1] Palacky Univ Olomouc, Fac Educ, Ctr Evidence Based Educ, Inst Special Educ Studies, Olomouc, Czech Republic
[2] Palacky Univ, Fac Educ, Inst Foreign Languages, Olomouc, Czech Republic
[3] Masaryk Univ, Fac Med,Czech Evidence Based Healthcare Ctr, Inst Biostat & Anal,Cochrane Czech Republ,Joanna, GRADE Ctr,Czech Natl Ctr Evidence Based Healthcar, Brno, Czech Republic