| article html file updated | 8 February 2020 10:45 CET | Update | https://www.mdpi.com/2073-4441/9/7/504 |
| article html file updated | 25 September 2019 21:24 CEST | Update | - |
| article html file updated | 3 May 2019 12:51 CEST | Update | - |
| article html file updated | 1 August 2017 09:20 CEST | Update | - |
| article html file updated | 14 July 2017 03:37 CEST | Update | - |
| article html file updated | 14 July 2017 03:35 CEST | Update | - |
| article html file updated | 14 July 2017 03:34 CEST | Original file | - |
| article xml uploaded. | 14 July 2017 03:33 CEST | Update | https://www.mdpi.com/2073-4441/9/7/504/xml |
| article pdf uploaded. | 14 July 2017 03:33 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/7/504/pdf |
| article pdf uploaded. | 11 July 2017 16:28 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/504/pdf-vor |