| article html file updated | 7 February 2020 19:21 CET | Update | https://www.mdpi.com/2079-4991/6/12/237 |
| article html file updated | 22 September 2019 10:00 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:48 CEST | Update | N/A |
| article html file updated | 30 December 2016 02:03 CET | Update | N/A |
| article html file updated | 9 December 2016 10:34 CET | Original file | N/A |
| article xml uploaded. | 9 December 2016 10:33 CET | Original file | https://www.mdpi.com/2079-4991/6/12/237/xml |
| article pdf uploaded. | 9 December 2016 10:33 CET | Version of Record | https://www.mdpi.com/2079-4991/6/12/237/pdf |
