| article html file updated | 8 February 2020 19:55 CET | Update | https://www.mdpi.com/2071-1050/9/11/1975 |
| article html file updated | 28 September 2019 03:11 CEST | Update | N/A |
| article html file updated | 2 May 2019 17:55 CEST | Update | N/A |
| article html file updated | 30 November 2017 12:17 CET | Update | N/A |
| article html file updated | 31 October 2017 09:57 CET | Original file | N/A |
| article xml uploaded. | 31 October 2017 09:56 CET | Original file | https://www.mdpi.com/2071-1050/9/11/1975/xml |
| article pdf uploaded. | 31 October 2017 09:56 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/1975/pdf |
