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. 2022 May 19;22:294. doi: 10.1186/s12887-022-03355-6

Fig. 1.

Fig. 1

Time schedule over measuring points for the questionnaires (web surveys) (X) including the external validated instruments Maternal Postnatal Attachment Scale (MPAS), Swedish Parenthood Stress Questionnaire (SPSQ), Pediatric Quality of Life Inventory Gastrointestinal Symptoms Module (PedsQLGastro), and rectal ultrasound and infant behavioral diary (+) in the BABITT-study