| article html file updated | 9 February 2020 10:53 CET | Update | https://www.mdpi.com/2077-1444/9/4/93 |
| article html file updated | 1 October 2019 21:17 CEST | Update | - |
| article html file updated | 1 May 2019 09:30 CEST | Update | - |
| article html file updated | 17 April 2019 09:24 CEST | Update | - |
| article html file updated | 29 March 2019 08:56 CET | Update | - |
| article html file updated | 1 May 2018 05:17 CEST | Update | - |
| article html file updated | 26 March 2018 02:57 CEST | Original file | - |
| article xml uploaded. | 26 March 2018 02:56 CEST | Original file | https://www.mdpi.com/2077-1444/9/4/93/xml |
| article pdf uploaded. | 26 March 2018 02:56 CEST | Updated version of record | https://www.mdpi.com/2077-1444/9/4/93/pdf |
| article pdf uploaded. | 22 March 2018 18:26 CET | Version of Record | https://www.mdpi.com/2077-1444/9/4/93/pdf-vor |
