What is the background of the problem?
• What has already been done in the field?
• What knowledge is currently missing?
• What is my paper offering to fill this gap?
Allergies, HMO- Bode et al 2012 ,
Infection – H. Brown, Liesbeth Duijt et al 2010,
PROBIT study in Belarus , Fani Ladomenou et al 2010, Marcello Lanari et al 2013,
