Acknowledgment

Co-Editor-in-Chief Dr. Stan Lipovetsky thanks the referees who contributed in reviewing the papers in 2021:

Ahmad Aijaz, Bhagwant University, Ajmer, Rajasthan, India

Sangeeta Arora, Panjab University, Chandigarh, India

Slava Brodsky, NJ, USA

Ceren Camkıran, Marmara University, Istanbul, Turkey

Wenyaw Chan, The University of Texas Health Science Center at Houston, TX, USA

I.J. David, Federal University Wukari, Nigeria

Manpreet Kaur, Punjab Agricultural University, India

Ritu Kumari, Panjab University, India

Vladimir Ladyzhets, University of Connecticut, Stamford, USA

K.N.V.R. Lakshmi, Andhra Loyola College, India

Igor Mandel, Redviser Inc., New Jersey, USA

Utriweni Mukhaiyar, Institut Teknologi Bandung, Indonesia

Ricardo Puziol de Oliveira, University of São Paulo, Brazil

Edwin Ortega, San Paolo University, Brazil

Henry Penikas, Higher School of Economics, Moscow, Russia

Marcos Vinicius de Oliveira Peres, San Paolo University, Brazil

Fábio Prataviera, San Paolo University, Brazil

Stephen A. Sedory, Dept. of Mathematics, Texas A&M University-Kingsville, USA

Mehdi Shams, University of Kashan, Iran

Arkady Shemyakin, University of St. Thomas, St. Paul, MN, USA

Housila P. Singh, School of Studies in Statistics, Vikram University, Ujjain, India

Sarjinder Singh, Dept. of Mathematics, Texas A&M University-Kingsville, USA

A.K.P.C. Swain, Orissa, India

Huong Nguyen Thu, Ton Duc Thang University, Vietnam

Alexander Topchishvili, Germany

Abhishek Tyagi, Ch. Charan Singh University, India

Boris Zaslavsky, FDA, Rockville, MD, USA

And many thanks to Professor Igor Mandel, the Guest Editor of the MASA special issue v. 16, #1, on Statistical modeling of pandemics and coronavirus.