| article html file updated | 8 February 2020 08:35 CET | Update | https://www.mdpi.com/2072-6643/9/6/623 |
| article html file updated | 25 September 2019 09:59 CEST | Update | - |
| article html file updated | 3 May 2019 16:54 CEST | Update | - |
| article html file updated | 6 July 2017 05:22 CEST | Update | - |
| article xml uploaded. | 6 July 2017 05:21 CEST | Update | https://www.mdpi.com/2072-6643/9/6/623/xml |
| article pdf uploaded. | 6 July 2017 05:21 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/6/623/pdf |
| article html file updated | 29 June 2017 11:47 CEST | Update | - |
| article html file updated | 17 June 2017 11:19 CEST | Original file | - |
| article pdf uploaded. | 17 June 2017 11:18 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/6/623/pdf-vor |
