| article html file updated | 9 February 2020 05:05 CET | Update | https://www.mdpi.com/2077-1444/9/2/43 |
| article html file updated | 1 May 2019 21:57 CEST | Update | - |
| article html file updated | 17 April 2019 20:45 CEST | Update | - |
| article html file updated | 28 March 2019 19:58 CET | Update | - |
| article html file updated | 14 March 2018 15:13 CET | Update | - |
| article html file updated | 1 February 2018 03:38 CET | Original file | - |
| article xml uploaded. | 1 February 2018 03:37 CET | Original file | https://www.mdpi.com/2077-1444/9/2/43/xml |
| article pdf uploaded. | 1 February 2018 03:37 CET | Updated version of record | https://www.mdpi.com/2077-1444/9/2/43/pdf |
| article pdf uploaded. | 31 January 2018 17:34 CET | Version of Record | https://www.mdpi.com/2077-1444/9/2/43/pdf-vor |
