| article html file updated | 12 February 2020 07:02 CET | Update | https://www.mdpi.com/2079-6412/9/4/274 |
| article html file updated | 8 May 2019 16:45 CEST | Update | - |
| article html file updated | 26 April 2019 05:36 CEST | Original file | - |
| article pdf uploaded. | 26 April 2019 05:34 CEST | Updated version of record | https://www.mdpi.com/2079-6412/9/4/274/pdf |
| article xml uploaded. | 26 April 2019 05:34 CEST | Update | https://www.mdpi.com/2079-6412/9/4/274/xml |
| article xml file uploaded | 26 April 2019 05:34 CEST | Update | - |
| article pdf uploaded. | 22 April 2019 15:48 CEST | Version of Record | https://www.mdpi.com/2079-6412/9/4/274/pdf-vor |
| article xml file uploaded | 22 April 2019 15:48 CEST | Original file | - |
