| article html file updated | 12 February 2020 01:36 CET | Update | https://www.mdpi.com/2073-8994/11/4/447 |
| article html file updated | 17 October 2019 09:28 CEST | Update | - |
| article html file updated | 8 May 2019 18:52 CEST | Update | - |
| article html file updated | 8 May 2019 18:36 CEST | Update | - |
| article html file updated | 25 April 2019 19:51 CEST | Update | - |
| article html file updated | 11 April 2019 15:07 CEST | Update | - |
| article html file updated | 10 April 2019 09:57 CEST | Update | - |
| article html file updated | 29 March 2019 09:52 CET | Original file | - |
| article pdf uploaded. | 29 March 2019 09:51 CET | Version of Record | https://www.mdpi.com/2073-8994/11/4/447/pdf |
| article xml uploaded. | 29 March 2019 09:51 CET | Update | https://www.mdpi.com/2073-8994/11/4/447/xml |
| article xml file uploaded | 29 March 2019 09:51 CET | Original file | - |
