| article html file updated | 7 February 2020 19:34 CET | Update | https://www.mdpi.com/2072-666X/7/12/228 |
| article html file updated | 22 September 2019 11:14 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:21 CEST | Update | N/A |
| article html file updated | 15 October 2018 04:41 CEST | Update | N/A |
| article html file updated | 27 December 2016 11:31 CET | Update | N/A |
| article html file updated | 14 December 2016 04:16 CET | Original file | N/A |
| article xml uploaded. | 14 December 2016 04:14 CET | Update | https://www.mdpi.com/2072-666X/7/12/228/xml |
| article xml uploaded. | 14 December 2016 04:14 CET | Original file | N/A |
| article pdf uploaded. | 14 December 2016 04:14 CET | Version of Record | https://www.mdpi.com/2072-666X/7/12/228/pdf |
