| article html file updated | 12 February 2020 17:20 CET | Update | https://www.mdpi.com/2075-4701/9/6/644 |
| article html file updated | 21 October 2019 06:28 CEST | Update | - |
| article html file updated | 5 July 2019 20:39 CEST | Update | - |
| article html file updated | 3 June 2019 14:10 CEST | Original file | - |
| article pdf uploaded. | 3 June 2019 14:08 CEST | Version of Record | https://www.mdpi.com/2075-4701/9/6/644/pdf |
| article xml uploaded. | 3 June 2019 14:08 CEST | Update | https://www.mdpi.com/2075-4701/9/6/644/xml |
| article xml file uploaded | 3 June 2019 14:08 CEST | Original file | - |
