| article html file updated | 12 February 2020 10:10 CET | Update | https://www.mdpi.com/2075-1680/8/2/55 |
| article html file updated | 19 October 2019 14:42 CEST | Update | - |
| article html file updated | 5 July 2019 22:00 CEST | Update | - |
| article html file updated | 31 May 2019 11:29 CEST | Original file | - |
| article pdf uploaded. | 31 May 2019 11:28 CEST | Updated version of record | https://www.mdpi.com/2075-1680/8/2/55/pdf |
| article xml uploaded. | 31 May 2019 11:28 CEST | Update | https://www.mdpi.com/2075-1680/8/2/55/xml |
| article xml file uploaded | 31 May 2019 11:28 CEST | Update | - |
| article pdf uploaded. | 6 May 2019 14:32 CEST | Version of Record | https://www.mdpi.com/2075-1680/8/2/55/pdf-vor |
| article xml file uploaded | 6 May 2019 14:32 CEST | Original file | - |
