Peer review declaration

All papers published in this volume of Journal of Physics: Conference Series have been peer reviewed through processes administered by proceedings editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing. • Type of peer review: Double-blind •By submitting a paper to ICAMLDS-21, the authors understood and agreed that papers would undergo a rigorous peer-review process. Manuscripts were reviewed by at least two independent, qualified experts in the field selected by the conference committee, who took detailed comments and the authors would submit a revised version in which these feedback taken into consideration. All papers were reviewed using a double-blind review process: authors declared their names and affiliations in the manuscript for the reviewers to see, but reviewers did not know each other's identities, nor did the authors receive information about who had reviewed their manuscript. • Conference submission management system: Email and Easychair • Number of submissions received: 203 • Number of submissions sent for review: 179 • Number of submissions accepted: 90 • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 50.28 • Average number of reviews per paper: 2 • Total number of reviewers involved: 20 • Any additional info on review process: The manuscripts have been reviewed following the international journal procedures. • Contact person for queries: Alba Guo