| article html file updated | 9 February 2020 13:57 CET | Update | https://www.mdpi.com/2077-1444/9/4/131 |
| article html file updated | 1 May 2019 03:14 CEST | Update | - |
| article html file updated | 17 April 2019 03:39 CEST | Update | - |
| article html file updated | 29 March 2019 15:58 CET | Update | - |
| article html file updated | 1 May 2018 05:20 CEST | Update | - |
| article html file updated | 16 April 2018 10:45 CEST | Original file | - |
| article pdf uploaded. | 16 April 2018 10:44 CEST | Version of Record | https://www.mdpi.com/2077-1444/9/4/131/pdf |
| article xml uploaded. | 16 April 2018 10:44 CEST | Update | https://www.mdpi.com/2077-1444/9/4/131/xml |
| article xml file uploaded | 16 April 2018 10:44 CEST | Original file | - |
