| article html file updated | 8 February 2020 07:32 CET | Update | https://www.mdpi.com/2072-6643/9/6/576 |
| article html file updated | 29 September 2019 08:16 CEST | Update | - |
| article html file updated | 25 September 2019 04:32 CEST | Update | - |
| article html file updated | 3 May 2019 18:52 CEST | Update | - |
| article html file updated | 29 June 2017 11:43 CEST | Update | - |
| article html file updated | 29 June 2017 08:23 CEST | Update | - |
| article xml uploaded. | 29 June 2017 08:22 CEST | Update | https://www.mdpi.com/2072-6643/9/6/576/xml |
| article pdf uploaded. | 29 June 2017 08:22 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/6/576/pdf |
| article html file updated | 5 June 2017 15:05 CEST | Original file | - |
| article pdf uploaded. | 5 June 2017 15:03 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/6/576/pdf-vor |