| article html file updated | 8 February 2020 08:19 CET | Update | https://www.mdpi.com/2072-6643/9/6/607 |
| article html file updated | 25 September 2019 08:36 CEST | Update | - |
| article html file updated | 3 May 2019 17:25 CEST | Update | - |
| article html file updated | 29 June 2017 11:46 CEST | Update | - |
| article html file updated | 20 June 2017 10:18 CEST | Update | - |
| article xml uploaded. | 20 June 2017 10:17 CEST | Update | https://www.mdpi.com/2072-6643/9/6/607/xml |
| article pdf uploaded. | 20 June 2017 10:17 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/6/607/pdf |
| article html file updated | 14 June 2017 14:26 CEST | Original file | - |
| article pdf uploaded. | 14 June 2017 14:25 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/6/607/pdf-vor |
