| article html file updated | 7 February 2020 18:34 CET | Update | https://www.mdpi.com/2079-4991/6/12/222 |
| article html file updated | 22 September 2019 06:49 CEST | Update | - |
| article html file updated | 4 May 2019 21:26 CEST | Update | - |
| article html file updated | 30 December 2016 01:58 CET | Update | - |
| article html file updated | 25 November 2016 02:50 CET | Original file | - |
| article xml uploaded. | 25 November 2016 02:49 CET | Update | https://www.mdpi.com/2079-4991/6/12/222/xml |
| article xml uploaded. | 25 November 2016 02:49 CET | Original file | - |
| article pdf uploaded. | 25 November 2016 02:49 CET | Version of Record | https://www.mdpi.com/2079-4991/6/12/222/pdf |
