Correction to: Calcium and vitamin D supplementation and/or periodontal therapy in the treatment of periodontitis among Brazilian pregnant women: protocol of a feasibility randomised controlled trial (the IMPROVE trial)
Pilot Feasibility Stud. 2020 Nov 27;6(1):187.
doi: 10.1186/s40814-020-00727-6.
1 Department of Biosciences and Physical Activity, School of Physical Education and Sports, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
2 Nutritional Epidemiology Observatory, Department of Social and Applied Nutrition, Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
3 Research Unit for Dietary Studies at the Parker Institute, Bispebjerg and Frederiksberg Hospital, The Capital Region, Denmark and Section for General Medicine, Institute of Public Health, Copenhagen, Denmark.
4 Institute of Social Medicine, State University of Rio de Janeiro, Rio de Janeiro, Brazil.
5 Department of Social and Applied Nutrition, Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
6 The EQUATOR Network - UK Centre, Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Old Road, Oxford, OX3 7LD, UK.
7 Section of Endocrinology, Diabetes & Nutrition, Department of Medicine Boston University School of Medicine (BUSM), Boston, Massachusetts, United States.
8 School of Human Sciences, Faculty of Education, Health and Human Sciences, University of Greenwich, London, UK. a.adegboye@greenwich.ac.uk.