AUTHOR=Han Zheng , Driedonks Tom , Tang Wei , Zhou Zijian , McNally Lacey TITLE=Editorial: Molecular imaging for tracking drug delivery JOURNAL=Frontiers in Pharmacology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2023.1195229 DOI=10.3389/fphar.2023.1195229 ISSN=1663-9812