| article html file updated | 7 February 2020 19:30 CET | Update | https://www.mdpi.com/2072-6643/8/12/807 |
| article html file updated | 22 September 2019 10:52 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:29 CEST | Update | N/A |
| article html file updated | 28 December 2016 05:22 CET | Update | N/A |
| article html file updated | 13 December 2016 08:16 CET | Original file | N/A |
| article xml uploaded. | 13 December 2016 08:14 CET | Original file | https://www.mdpi.com/2072-6643/8/12/807/xml |
| article pdf uploaded. | 13 December 2016 08:14 CET | Version of Record | https://www.mdpi.com/2072-6643/8/12/807/pdf |
