| article html file updated | 9 February 2020 05:04 CET | Update | https://www.mdpi.com/2072-666X/9/2/60 |
| article html file updated | 30 September 2019 09:50 CEST | Update | - |
| article html file updated | 1 May 2019 21:58 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 | 15 October 2018 05:57 CEST | Update | - |
| article html file updated | 14 March 2018 09:34 CET | Update | - |
| article html file updated | 31 January 2018 17:52 CET | Original file | - |
| article xml uploaded. | 31 January 2018 17:50 CET | Update | https://www.mdpi.com/2072-666X/9/2/60/xml |
| article xml uploaded. | 31 January 2018 17:50 CET | Original file | - |
| article pdf uploaded. | 31 January 2018 17:50 CET | Version of Record | https://www.mdpi.com/2072-666X/9/2/60/pdf |
