| article html file updated | 7 February 2020 19:50 CET | Update | https://www.mdpi.com/2073-4344/6/12/210 |
| article html file updated | 22 September 2019 12:40 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:45 CEST | Update | N/A |
| article html file updated | 27 December 2016 11:37 CET | Update | N/A |
| article html file updated | 17 December 2016 06:56 CET | Original file | N/A |
| article xml uploaded. | 17 December 2016 06:55 CET | Update | https://www.mdpi.com/2073-4344/6/12/210/xml |
| article xml uploaded. | 17 December 2016 06:55 CET | Original file | N/A |
| article pdf uploaded. | 17 December 2016 06:55 CET | Version of Record | https://www.mdpi.com/2073-4344/6/12/210/pdf |
