| article html file updated | 8 February 2020 11:01 CET | Update | https://www.mdpi.com/2072-6643/9/7/757 |
| article html file updated | 25 September 2019 22:53 CEST | Update | - |
| article html file updated | 3 May 2019 12:20 CEST | Update | - |
| article html file updated | 2 August 2017 04:11 CEST | Update | - |
| article html file updated | 14 July 2017 12:42 CEST | Update | - |
| article html file updated | 14 July 2017 12:41 CEST | Update | - |
| article html file updated | 14 July 2017 12:41 CEST | Original file | - |
| article xml uploaded. | 14 July 2017 12:39 CEST | Original file | https://www.mdpi.com/2072-6643/9/7/757/xml |
| article pdf uploaded. | 14 July 2017 12:39 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/7/757/pdf |
