| article html file updated | 13 February 2020 00:29 CET | Update | https://www.mdpi.com/2076-2615/9/7/421 |
| article html file updated | 22 October 2019 12:31 CEST | Update | N/A |
| article html file updated | 2 August 2019 09:23 CEST | Update | N/A |
| article html file updated | 5 July 2019 23:39 CEST | Original file | N/A |
| article pdf uploaded. | 5 July 2019 14:11 CEST | Version of Record | https://www.mdpi.com/2076-2615/9/7/421/pdf |
| article xml uploaded. | 5 July 2019 14:11 CEST | Update | https://www.mdpi.com/2076-2615/9/7/421/xml |
| article xml file uploaded | 5 July 2019 14:11 CEST | Original file | N/A |
