| article html file updated | 9 February 2020 05:00 CET | Update | https://www.mdpi.com/2077-1444/9/2/41 |
| article html file updated | 1 May 2019 22:09 CEST | Update | - |
| article html file updated | 17 April 2019 20:54 CEST | Update | - |
| article html file updated | 28 March 2019 19:46 CET | Update | - |
| article html file updated | 14 March 2018 15:13 CET | Update | - |
| article pdf uploaded. | 31 January 2018 10:46 CET | Updated version of record | https://www.mdpi.com/2077-1444/9/2/41/pdf |
| article html file updated | 31 January 2018 10:44 CET | Original file | - |
| article xml uploaded. | 31 January 2018 10:43 CET | Original file | https://www.mdpi.com/2077-1444/9/2/41/xml |
| article pdf uploaded. | 31 January 2018 10:43 CET | Version of Record | - |
