| article html file updated | 7 February 2020 04:32 CET | Update | https://www.mdpi.com/2072-666X/7/2/28 |
| article html file updated | 21 September 2019 11:16 CEST | Update | - |
| article html file updated | 6 May 2019 00:26 CEST | Update | - |
| article html file updated | 26 March 2019 20:39 CET | Update | - |
| article html file updated | 15 October 2018 04:28 CEST | Original file | - |
| article pdf uploaded. | 15 February 2016 11:23 CET | Version of Record | https://www.mdpi.com/2072-666X/7/2/28/pdf |
| article xml uploaded. | 15 February 2016 11:23 CET | Original file | https://www.mdpi.com/2072-666X/7/2/28/xml |
