Marije van Dalen

Marije van Dalen

Postdoctoral Researcher

Erasmus MC Sophia Children's Hospital


Dr. Marije van Dalen is a postdoctoral researcher with an interest in paediatric psychology. She currently works at the Erasmus MC Sophia Children’s Hospital, the Netherlands. Her work focusses on using eHealth and mHealth interventions to study and improve mental well-being of children with a chronic somatic illness. She currently works on the Grow It! app, an RCT on a preventive intervention for children aged 10 to 18. She is also PI on a project studying experiences of parents expecting a child with a cleft lip.

She obtained her PhD in paediatric psychology in January 2022. Her PhD thesis focused on an online psychological intervention for adolescents with a visible difference, as well as the mental well-being of parents of children with a visible difference. As part of her PhD, she spent three months at the Center for Appearance Research in Bristol, England.


  • eHealth & mHealth
  • Paediatric psychology
  • Visible differences/appearance-altering injuries or conditions
  • Psychological interventions


  • PhD in Paediatric Psychology, 2022

    Erasmus MC/Erasmus University Rotterdam

  • MSc in Child and Adolescent Psychology, 2016

    Erasmus University Rotterdam

  • BSc in Psychology, 2014

    Erasmus University Rotterdam

Recent Publications

These are my most recent publications. See more by clicking this link.

Patients' experiences of primary healthcare and dermatology provision for alopecia

Collaboration between Alopecia UK and the Centre for Appearance Research. This study describes the results of an elaborate survey on healthcare experiences of adult patients with alopecia.

Applications of the Experience Sampling Method (ESM) in paediatric healthcare: a systematic review

A systematic review investigating the ways in which ESM is used in paediatric healthcare and research. ESM is a method using questions multiple times a day to investigate thoughts, feelings and behaviours in the context they take place.

Patients’ experiences of primary healthcare and dermatology provision for alopecia (preprint)

A mixed-methods study of patients’ experiences with care provision by dermatologists and GP for alopecia.

Do congenital and acquired causes of visible difference predict distinct appearance-related psychosocial outcomes?

This brief research report looks at differences in psychosocial outcomes for people with an acquired visible difference versus those with a congenital visible difference.

Anxiety, depression and quality of life in children and adults with alopecia areata: A systematic review and meta-analysis

A systematic review and meta analysis of 93 papers focussing on the psychosocial effects of living with alopecia areata.


Parents expecting a child with a cleft

Study on parents expecting a child with a cleft, investigating their experiences with healthcare and concerns for the future

Grow It! app

An app for young people with a chronic health condition.

Psychosocial aspects of alopecia

Creating a comprehensive overview of the psychological aspects of living with alopecia.

PROMs for pediatric IBD patients

Implementing and testing PROMs in hospital care for children and adolescents with IBD.

ERN CRANIO e-learnings

Developing educational videos and webinars for patients with a craniofacial condition and their family.

Mental well-being of parents with a child with a visible difference

A project studying the well-being of parents of children with a visible difference.

Face IT voor jongeren/Young People Face IT

A project testing the feasibility and effectiveness of an online psychological intervention for adolescents with a visible difference.

Recent & Upcoming Talks

Science pitch/quiz

A science quiz as part of the show preceding the documentary “niet alleen op de wereld” (not alone in this world), together with Kayla Green.

Living with a visible difference

A talk for CMTC-OVM (Dutch patient association).

Living with a visible difference

A talk for NNN (Dutch patient association).



Postdoctoral researcher

Erasmus MC - Sophia Children’s Hospital

Jan 2022 – Present Rotterdam, The Netherlands
Value-based healthcare for children and adolescents with an inflammatory bowel disease & work on the Grow It! app.

Visiting Scholar

Centre for Appearance Research, University of the West of England

Sep 2021 – Nov 2021 Bristol, England

Research Psychologist

Levvel/Amsterdam UMC

Apr 2021 – Mar 2022 Amsterdam, The Netherlands
Research Psychologist for the TIC Genetics study.


PhD student

Erasmus MC - Sophia Children’s Hospital

Nov 2017 – Jan 2022 Rotterdam, The Netherlands
Focus on psychological aspect of living with a visible difference and the YP Face IT intervention

Research/education employee

Utrecht University

Jan 2017 – May 2017 Utrecht, The Netherlands
Disseminating knowledge about internationalising the Clinical Psychology master. Screening articles for the meta-analysis on biological markers for depression (see publications).

Teacher, psychology bachelor and master

Erasmus University Rotterdam

Jan 2015 – Dec 2016 Rotterdam, The Netherlands
Supervising study groups for bachelor’s and master’s student. Supervising practicals.


  • Wytemaweg 80
    3015 CN Rotterdam