| article html file updated | 7 February 2020 18:58 CET | Update | https://www.mdpi.com/2072-6694/8/12/108 |
| article html file updated | 22 September 2019 08:21 CEST | Update | N/A |
| article html file updated | 4 May 2019 20:34 CEST | Update | N/A |
| article html file updated | 27 December 2016 11:54 CET | Update | N/A |
| article html file updated | 2 December 2016 09:21 CET | Original file | N/A |
| article xml uploaded. | 2 December 2016 09:20 CET | Original file | https://www.mdpi.com/2072-6694/8/12/108/xml |
| article pdf uploaded. | 2 December 2016 09:20 CET | Version of Record | https://www.mdpi.com/2072-6694/8/12/108/pdf |
