| article html file updated | 7 February 2020 18:36 CET | Update | https://www.mdpi.com/2073-4360/8/12/409 |
| article html file updated | 22 September 2019 06:55 CEST | Update | - |
| article html file updated | 4 May 2019 21:23 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 | 25 November 2016 09:55 CET | Original file | - |
| article xml uploaded. | 25 November 2016 09:54 CET | Original file | https://www.mdpi.com/2073-4360/8/12/409/xml |
| article pdf uploaded. | 25 November 2016 09:54 CET | Version of Record | https://www.mdpi.com/2073-4360/8/12/409/pdf |
