| article html file updated | 7 February 2020 19:24 CET | Update | https://www.mdpi.com/2073-4360/8/12/428 |
| article html file updated | 22 September 2019 10:17 CEST | Update | - |
| article html file updated | 4 May 2019 19:41 CEST | Update | - |
| article html file updated | 15 March 2019 10:33 CET | Update | - |
| article html file updated | 28 December 2016 08:01 CET | Update | - |
| article html file updated | 10 December 2016 07:01 CET | Original file | - |
| article xml uploaded. | 10 December 2016 07:00 CET | Update | https://www.mdpi.com/2073-4360/8/12/428/xml |
| article xml uploaded. | 10 December 2016 07:00 CET | Original file | - |
| article pdf uploaded. | 10 December 2016 07:00 CET | Version of Record | https://www.mdpi.com/2073-4360/8/12/428/pdf |
