| article html file updated | 8 February 2020 19:25 CET | Update | https://www.mdpi.com/2073-4360/9/11/554 |
| article html file updated | 28 September 2019 00:06 CEST | Update | - |
| article html file updated | 2 May 2019 19:03 CEST | Update | - |
| article html file updated | 30 November 2017 11:40 CET | Update | - |
| article html file updated | 26 October 2017 11:07 CEST | Original file | - |
| article xml uploaded. | 26 October 2017 11:05 CEST | Original file | https://www.mdpi.com/2073-4360/9/11/554/xml |
| article pdf uploaded. | 26 October 2017 11:05 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/11/554/pdf |
| article pdf uploaded. | 25 October 2017 14:43 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/11/554/pdf-vor |
