| article html file updated | 8 February 2020 14:10 CET | Update | https://www.mdpi.com/2072-6643/9/8/918 |
| article html file updated | 3 May 2019 05:45 CEST | Update | - |
| article html file updated | 1 September 2017 05:05 CEST | Update | - |
| article html file updated | 23 August 2017 12:16 CEST | Original file | - |
| article xml uploaded. | 23 August 2017 12:15 CEST | Original file | https://www.mdpi.com/2072-6643/9/8/918/xml |
| article pdf uploaded. | 23 August 2017 12:15 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/8/918/pdf |
| article pdf uploaded. | 22 August 2017 12:13 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/8/918/pdf-vor |
