| article html file updated | 8 February 2020 08:00 CET | Update | https://www.mdpi.com/2072-6643/9/6/594 |
| article html file updated | 25 September 2019 06:55 CEST | Update | - |
| article html file updated | 3 May 2019 17:59 CEST | Update | - |
| article html file updated | 29 June 2017 11:45 CEST | Update | - |
| article html file updated | 12 June 2017 11:17 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 11:15 CEST | Original file | https://www.mdpi.com/2072-6643/9/6/594/xml |
| article pdf uploaded. | 12 June 2017 11:15 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/6/594/pdf |
| article pdf uploaded. | 10 June 2017 12:46 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/6/594/pdf-vor |
| article pdf uploaded. | 10 June 2017 12:45 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/6/594/pdf-vor |
