About the Authors

Azliza Ibrahim

Contributed equally to this work with: Azliza Ibrahim, Norlinah Mohamed Ibrahim

Roles Conceptualization, Investigation, Methodology, Writing – original draft

Affiliation Faculty of Medicine, Neurology Unit, Department of Medicine, Hospital Canselor Tuanku Muhriz, UKM Medical Centre, Kuala Lumpur, Malaysia

Raja Affendi Raja Ali

Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

Affiliation Faculty of Medicine, Gastroenterology Unit, Department of Medicine, Hospital Canselor Tuanku Muhriz, UKM Medical Centre, Kuala Lumpur, Malaysia

Mohd Rizal Abdul Manaf

Roles Conceptualization, Formal analysis, Methodology, Supervision, Validation, Writing – review & editing

Affiliation Faculty of Medicine, Department of Community Health, Hospital Canselor Tuanku Muhriz UKM Medical Centre, Kuala Lumpur, Malaysia

Norfazilah Ahmad

Roles Data curation, Formal analysis, Methodology, Writing – review & editing

Affiliation Faculty of Medicine, Department of Community Health, Hospital Canselor Tuanku Muhriz UKM Medical Centre, Kuala Lumpur, Malaysia

Farah Waheeda Tajurruddin

Roles Conceptualization, Methodology, Supervision, Writing – review & editing

Affiliation Department of Pharmacy, Hospital Canselor Tuanku Muhriz, UKM Medical Centre, Kuala Lumpur, Malaysia

Wong Zhi Qin

Roles Formal analysis, Investigation, Methodology, Supervision, Writing – review & editing

Affiliation Faculty of Medicine, Gastroenterology Unit, Department of Medicine, Hospital Canselor Tuanku Muhriz, UKM Medical Centre, Kuala Lumpur, Malaysia

Siti Hajar Md Desa

Roles Conceptualization, Methodology, Project administration, Supervision, Writing – review & editing

Affiliation Department of Nursing, Hospital Canselor Tuanku Muhriz, UKM Medical Centre, Kuala Lumpur, Malaysia

Norlinah Mohamed Ibrahim

Contributed equally to this work with: Azliza Ibrahim, Norlinah Mohamed Ibrahim

Roles Conceptualization, Data curation, Investigation, Methodology, Project administration, Supervision, Validation, Writing – review & editing

norlinah@ppukm.ukm.edu.my, norlinah@gmail.com

Affiliation Faculty of Medicine, Neurology Unit, Department of Medicine, Hospital Canselor Tuanku Muhriz, UKM Medical Centre, Kuala Lumpur, Malaysia

Competing Interests

The probiotics and the placebo were provided by BCROBES SDN BHD. B-CROBES had no role in the study design, data collection and data analysis. On behalf of the authors, I declare that there are no competing interests, personal, professional, financial or nonfinancial related to the study or its publication. This does not alter our adherence to PLOS ONE policies on sharing data and materials. There are no restrictions on sharing of data and/or materials related to this study.