| article html file updated | 7 February 2020 19:41 CET | Update | https://www.mdpi.com/2072-6643/8/12/813 |
| article html file updated | 22 September 2019 11:52 CEST | Update | - |
| article html file updated | 4 May 2019 19:04 CEST | Update | - |
| article html file updated | 28 December 2016 05:26 CET | Update | - |
| article html file updated | 15 December 2016 14:18 CET | Original file | - |
| article xml uploaded. | 15 December 2016 14:17 CET | Original file | https://www.mdpi.com/2072-6643/8/12/813/xml |
| article pdf uploaded. | 15 December 2016 14:17 CET | Version of Record | https://www.mdpi.com/2072-6643/8/12/813/pdf |
