| article html file updated | 7 February 2020 02:59 CET | Update | https://www.mdpi.com/2072-666X/7/1/2 |
| article html file updated | 21 September 2019 09:03 CEST | Update | N/A |
| article html file updated | 6 May 2019 03:26 CEST | Update | N/A |
| article html file updated | 26 March 2019 17:39 CET | Update | N/A |
| article html file updated | 15 October 2018 03:56 CEST | Original file | N/A |
| article pdf uploaded. | 4 January 2016 15:03 CET | Version of Record | https://www.mdpi.com/2072-666X/7/1/2/pdf |
| article xml uploaded. | 4 January 2016 15:03 CET | Original file | https://www.mdpi.com/2072-666X/7/1/2/xml |
