| article html file updated | 9 February 2020 14:09 CET | Update | https://www.mdpi.com/1999-4893/11/4/50 |
| article html file updated | 2 October 2019 16:50 CEST | Update | - |
| article html file updated | 1 May 2019 02:50 CEST | Update | - |
| article html file updated | 17 April 2019 03:18 CEST | Update | - |
| article html file updated | 29 March 2019 16:26 CET | Update | - |
| article html file updated | 1 May 2018 05:46 CEST | Update | - |
| article html file updated | 17 April 2018 12:24 CEST | Original file | - |
| article pdf uploaded. | 17 April 2018 12:23 CEST | Version of Record | https://www.mdpi.com/1999-4893/11/4/50/pdf |
| article xml uploaded. | 17 April 2018 12:23 CEST | Update | https://www.mdpi.com/1999-4893/11/4/50/xml |
| article xml file uploaded | 17 April 2018 12:23 CEST | Original file | - |
