AUTHOR=Hofer Thomas S. , de Visser Sam P. TITLE=Editorial: Quantum Mechanical/Molecular Mechanical Approaches for the Investigation of Chemical Systems – Recent Developments and Advanced Applications JOURNAL=Frontiers in Chemistry VOLUME=6 YEAR=2018 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2018.00357 DOI=10.3389/fchem.2018.00357 ISSN=2296-2646