Retraction notice to “Sudip Bhattacharya. Strengthening public health surveillance through blockchain technology” [<i>AIMS Public Health</i>, 2019, 6(3): 326–333]

• Sudip Bhattacharya ,
• Amarjeet Singh,
• Md Mahbub Hossain

Affiliations

Sudip Bhattacharya

1. Department of Community Medicine, Himalayan Institute of Medical Sciences, Dehradun, India

Amarjeet Singh

2. Department of Community Medicine, School of Public Health, Postgraduate Institute of Medical Education and Research, Chandigarh, India

Md Mahbub Hossain

3. Affiliation Department of Health Promotion and Community Health Sciences, School of Public Health, Texas A & M University, Texas, USA