| article html file updated | 7 February 2020 20:03 CET | Update | https://www.mdpi.com/2073-4360/8/12/446 |
| article html file updated | 22 September 2019 13:52 CEST | Update | - |
| article html file updated | 4 May 2019 18:19 CEST | Update | - |
| article html file updated | 15 March 2019 10:38 CET | Update | - |
| article html file updated | 28 December 2016 08:08 CET | Update | - |
| article html file updated | 21 December 2016 10:51 CET | Original file | - |
| article xml uploaded. | 21 December 2016 10:49 CET | Update | https://www.mdpi.com/2073-4360/8/12/446/xml |
| article xml uploaded. | 21 December 2016 10:49 CET | Original file | - |
| article pdf uploaded. | 21 December 2016 10:49 CET | Version of Record | https://www.mdpi.com/2073-4360/8/12/446/pdf |
