| article html file updated | 12 February 2020 14:19 CET | Update | https://www.mdpi.com/2075-1680/8/2/64 |
| article html file updated | 5 July 2019 22:02 CEST | Update | N/A |
| article html file updated | 23 May 2019 12:08 CEST | Update | N/A |
| article html file updated | 22 May 2019 11:46 CEST | Original file | N/A |
| article pdf uploaded. | 22 May 2019 11:45 CEST | Version of Record | https://www.mdpi.com/2075-1680/8/2/64/pdf |
| article xml uploaded. | 22 May 2019 11:45 CEST | Update | https://www.mdpi.com/2075-1680/8/2/64/xml |
| article xml file uploaded | 22 May 2019 11:45 CEST | Original file | N/A |
