| article html file updated | 8 February 2020 18:01 CET | Update | https://www.mdpi.com/2071-1050/9/10/1819 |
| article html file updated | 27 September 2019 15:11 CEST | Update | - |
| article html file updated | 2 May 2019 22:14 CEST | Update | - |
| article html file updated | 3 November 2017 04:45 CET | Update | - |
| article html file updated | 16 October 2017 03:24 CEST | Original file | - |
| article xml uploaded. | 16 October 2017 03:23 CEST | Update | https://www.mdpi.com/2071-1050/9/10/1819/xml |
| article xml uploaded. | 16 October 2017 03:23 CEST | Original file | - |
| article pdf uploaded. | 16 October 2017 03:23 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/10/1819/pdf |
| article pdf uploaded. | 10 October 2017 12:53 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1819/pdf-vor |
