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  1. Article

    Open Access

    Young children’s screen time during the first COVID-19 lockdown in 12 countries

    Older children with online schooling requirements, unsurprisingly, were reported to have increased screen time during the first COVID-19 lockdown in many countries. Here, we ask whether younger children with n...

    Christina Bergmann, Nevena Dimitrova, Khadeejah Alaslani in Scientific Reports (2022)

  2. No Access

    Article

    Promotion by Education: Adolescent Mental Health Policy Translation in a Local Context of China

    The purpose of this paper is to describe how Chinese national adolescent mental health policy is translated into local plans and practice by means of the theoretical perspective of the policy triangle. Documen...

    Cheng Guo, Christina Keller in Administration and Policy in Mental Health… (2020)

  3. Article

    Open Access

    Correction to: Mitochondrial phylogeography of baboons (Papio spp.) – Indication for introgressive hybridization?

    Following publication of the original article [1], we have been notified that some of the NCB accession numbers were incorrectly associated to their corresponding taxon in the Additional file 1.

    Dietmar Zinner, Linn F. Groeneveld, Christina Keller in BMC Evolutionary Biology (2019)

  4. Article

    Open Access

    Prevalence and correlates of positive mental health in Chinese adolescents

    Studies investigating the prevalence of positive mental health and its correlates are still scarce compared to the studies on mental disorders, although there is growing interest of assessing positive mental h...

    Cheng Guo, Göran Tomson, Christina Keller, Fredrik Söderqvist in BMC Public Health (2018)

  5. Article

    Open Access

    Erratum to: psychometric evaluation of the Mental Health Continuum-Short Form (MHC-SF) in Chinese adolescents – a methodological study

    Cheng Guo, Göran Tomson, Jizhi Guo, **angyun Li in Health and Quality of Life Outcomes (2016)

  6. Article

    Open Access

    Psychometric evaluation of the Mental Health Continuum-Short Form (MHC-SF) in Chinese adolescents – a methodological study

    In epidemiological surveillance of mental health there is good reason to also include scales that measure the presence of well-being rather than merely symptoms of ill health. The Mental Health Continuum-Short...

    Cheng Guo, Göran Tomson, Jizhi Guo, **angyun Li in Health and Quality of Life Outcomes (2015)

  7. No Access

    Chapter

    Open Service Innovation in Health Care: What Can We Learn from Open Innovation Communities?

    The purpose of the chapter is to describe and discuss how principles from open innovation, which are primarily derived from commercial product development, could be applied to open service innovation in non-pr...

    Christina Keller, Mats Edenius, Staffan Lindblad in Managing Open Innovation Technologies (2013)

  8. No Access

    Book and Conference Proceedings

    Nordic Contributions in IS Research

    Third Scandinavian Conference on Information Systems, SCIS 2012, Sigtuna, Sweden, August 17–20, 2012. Proceedings

    Christina Keller, Mikael Wiberg in Lecture Notes in Business Information Processing (2012)

  9. No Access

    Article

    Socio-technical IS design science research: develo** design theory for IS integration management

    Design science research is an essential part of IS research since the field should not only try to understand how the world is, but also how to change it. We argue that the aim of IS design science research sh...

    Sven A. Carlsson, Stefan Henningsson in Information Systems and e-Business Managem… (2011)

  10. No Access

    Chapter and Conference Paper

    Harness Mobility: Managing the Off-Task Property

    Technological advancements in mobile computing and wireless networks open up to new applications and new user-groups in the mobile workforce. However, a considerable part of the mobile workforce, such as e.g. ...

    Bo Andersson, Christina Keller in Global Perspectives on Design Science Research (2010)

  11. Article

    Open Access

    Mitochondrial phylogeography of baboons (Papiospp.) – Indication for introgressive hybridization?

    Baboons of the genus Papio are distributed over wide ranges of Africa and even colonized parts of the Arabian Peninsula. Traditionally, five phenotypically distinct species are recognized, but recent molecular st...

    Dietmar Zinner, Linn F Groeneveld, Christina Keller in BMC Evolutionary Biology (2009)

  12. No Access

    Article

    Plant and small mammal richness correlate positively in a biodiversity hotspot

    Hotspots of biodiversity are important areas in facilitating an understanding of species richness and its maintenance. Herbivores can increase plant richness by reducing dominant plant species thus providing s...

    Christina Keller, Carsten Schradin in Biodiversity and Conservation (2008)

  13. No Access

    Chapter

    Lennard-Jones Boson Matter in the Thermodynamic Perturbation Scheme

    The thermodynamic perturbation scheme for the very successful construction of classical liquid equations of state is applied in the quantum regime to the ground-state energy of a many-boson system interacting ...

    V. C. Aguilera-Navarro, Christina Keller, M. de Llano in Condensed Matter Theories (1988)