| article html file updated | 7 February 2020 18:45 CET | Update | https://www.mdpi.com/2220-9964/5/12/222 |
| article html file updated | 22 September 2019 07:29 CEST | Update | - |
| article html file updated | 4 May 2019 21:04 CEST | Update | - |
| article html file updated | 28 December 2016 10:38 CET | Update | - |
| article html file updated | 29 November 2016 08:43 CET | Original file | - |
| article xml uploaded. | 29 November 2016 08:41 CET | Update | https://www.mdpi.com/2220-9964/5/12/222/xml |
| article xml uploaded. | 29 November 2016 08:41 CET | Original file | - |
| article pdf uploaded. | 29 November 2016 08:41 CET | Version of Record | https://www.mdpi.com/2220-9964/5/12/222/pdf |
