| article html file updated | 12 February 2020 06:13 CET | Update | https://www.mdpi.com/2079-6412/9/4/260 |
| article html file updated | 18 October 2019 14:15 CEST | Update | - |
| article html file updated | 8 May 2019 16:35 CEST | Update | - |
| article html file updated | 27 April 2019 03:00 CEST | Update | - |
| article pdf uploaded. | 26 April 2019 10:21 CEST | Updated version of record | https://www.mdpi.com/2079-6412/9/4/260/pdf |
| article xml uploaded. | 26 April 2019 10:21 CEST | Update | https://www.mdpi.com/2079-6412/9/4/260/xml |
| article xml file uploaded | 26 April 2019 10:21 CEST | Update | - |
| article html file updated | 25 April 2019 09:46 CEST | Update | - |
| article html file updated | 18 April 2019 19:16 CEST | Original file | - |
| article pdf uploaded. | 18 April 2019 12:27 CEST | Version of Record | https://www.mdpi.com/2079-6412/9/4/260/pdf-vor |
| article xml file uploaded | 18 April 2019 12:27 CEST | Original file | - |