| article html file updated | 7 February 2020 19:29 CET | Update | https://www.mdpi.com/2072-6643/8/12/806 |
| article html file updated | 22 September 2019 10:46 CEST | Update | - |
| article html file updated | 4 May 2019 19:31 CEST | Update | - |
| article html file updated | 28 December 2016 05:22 CET | Update | - |
| article html file updated | 12 December 2016 10:45 CET | Original file | - |
| article xml uploaded. | 12 December 2016 10:44 CET | Original file | https://www.mdpi.com/2072-6643/8/12/806/xml |
| article pdf uploaded. | 12 December 2016 10:44 CET | Version of Record | https://www.mdpi.com/2072-6643/8/12/806/pdf |
