| article html file updated | 9 February 2020 08:38 CET | Update | https://www.mdpi.com/2077-1444/9/3/71 |
| article html file updated | 1 May 2019 14:15 CEST | Update | - |
| article html file updated | 17 April 2019 13:52 CEST | Update | - |
| article html file updated | 29 March 2019 03:56 CET | Update | - |
| article html file updated | 26 March 2018 13:00 CEST | Update | - |
| article html file updated | 5 March 2018 07:57 CET | Original file | - |
| article xml uploaded. | 5 March 2018 07:56 CET | Original file | https://www.mdpi.com/2077-1444/9/3/71/xml |
| article pdf uploaded. | 5 March 2018 07:56 CET | Version of Record | https://www.mdpi.com/2077-1444/9/3/71/pdf |
