| article html file updated | 7 February 2020 18:33 CET | Update | https://www.mdpi.com/2073-4360/8/12/408 |
| article html file updated | 22 September 2019 06:44 CEST | Update | - |
| article html file updated | 4 May 2019 21:28 CEST | Update | - |
| article html file updated | 15 March 2019 10:28 CET | Update | - |
| article html file updated | 28 December 2016 07:52 CET | Update | - |
| article html file updated | 24 November 2016 13:26 CET | Original file | - |
| article xml uploaded. | 24 November 2016 13:25 CET | Original file | https://www.mdpi.com/2073-4360/8/12/408/xml |
| article pdf uploaded. | 24 November 2016 13:25 CET | Version of Record | https://www.mdpi.com/2073-4360/8/12/408/pdf |
