| article html file updated | 9 February 2020 05:01 CET | Update | https://www.mdpi.com/2072-666X/9/2/56 |
| article html file updated | 30 September 2019 09:28 CEST | Update | N/A |
| article html file updated | 1 May 2019 22:06 CEST | Update | N/A |
| article html file updated | 17 April 2019 20:52 CEST | Update | N/A |
| article html file updated | 28 March 2019 19:49 CET | Update | N/A |
| article html file updated | 14 March 2018 09:33 CET | Update | N/A |
| article html file updated | 31 January 2018 11:49 CET | Original file | N/A |
| article xml uploaded. | 31 January 2018 11:48 CET | Original file | https://www.mdpi.com/2072-666X/9/2/56/xml |
| article pdf uploaded. | 31 January 2018 11:48 CET | Version of Record | https://www.mdpi.com/2072-666X/9/2/56/pdf |
