Table 3. Correlation of answers to questions and the academic degree of the respondents.

		Academical status				Total
		Undergraduate	Postgraduate	Master of Science	PhD
Have you been added to the article as co-author even You did not give contribution (honorary authorship)? p=0.118	N	0	3	12	9	24
	%	0.0	27.3	54.5	25.7	34.8
Have you given contribution to some article but you were not on author list (ghost authorship)? p=0.264	N	1	3	11	20	35
	%	100.0	27.3	50.0	57.1	50.7
Have you been under the obligation to add your superiors in list of authors. in order to be able to submit article to the journal? p=0.445	N	0	5	10	10	25
	%	0.0	45.5	45.5	28.6	36.2
Have you ever added your superiors in list of authors of an article in order to keep “peace” at work? p=0.583	N	0	5	9	19	33
	%	0.0	45.5	40.9	54.3	47.8
Do you have a reciprocal agreement with your colleagues about the simultaneous signing on articles? p=0.906	N	0	3	6	11	20
	%	0.0	27.3	27.3	31.4	29.0
Have you heard about COPE and ICMJE principles? p=0.781	N	1	7	13	24	45
	%	100.0	63.6	59.1	68.6	65.2
Total	N	1	11	22	35	69
	%	100.0	100.0	100.0	100.0	100.0