| article html file updated | 7 February 2020 15:07 CET | Update | https://www.mdpi.com/2072-6643/8/9/572 |
| article html file updated | 5 May 2019 03:51 CEST | Update | - |
| article html file updated | 27 September 2016 11:45 CEST | Update | - |
| article html file updated | 18 September 2016 10:29 CEST | Original file | - |
| article xml uploaded. | 18 September 2016 10:28 CEST | Update | https://www.mdpi.com/2072-6643/8/9/572/xml |
| article xml uploaded. | 18 September 2016 10:28 CEST | Original file | - |
| article pdf uploaded. | 18 September 2016 10:28 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/9/572/pdf |
