MDPI.com (where MDPI stands for Multidisciplinary Digital Publishing Institute) is a platform for peer-reviewed, scientific open access journals which is operated by MDPI AG, based in Basel, Switzerland. MDPI publishes over 70 diverse electronic, open access journals, including Molecules (launched in 1996. Impact Factor 2.386), the International Journal of Molecular Sciences (launched in 2000. Impact Factor 2.598), Sensors (launched in 2001. Impact Factor 1.739), Marine Drugs (launched in 2003. Impact Factor 3.854), Energies (launched in 2008. Impact Factor 1.865) and the International Journal of Environmental Research and Public Health (launched in 2004. Impact Factor 1.605). Our publishing activities are supported by more than 4000 active scientists on our journals' international editorial boards including several Nobelists. More than 60,000 unique authors already published with MDPI, and 170,000 scholars are in the pool of reviewers. MDPI.com counts more than 2,4 million webpage views monthly.