| article html file updated | 8 February 2020 19:37 CET | Update | https://new.mdpi.com/2071-1050/9/11/1956 |
| article html file updated | 28 September 2019 01:17 CEST | Update | - |
| article html file updated | 2 May 2019 18:37 CEST | Update | - |
| article html file updated | 30 November 2017 12:11 CET | Update | - |
| article html file updated | 27 October 2017 11:35 CEST | Original file | - |
| article xml uploaded. | 27 October 2017 11:33 CEST | Update | https://new.mdpi.com/2071-1050/9/11/1956/xml |
| article xml uploaded. | 27 October 2017 11:33 CEST | Original file | - |
| article pdf uploaded. | 27 October 2017 11:33 CEST | Version of Record | https://new.mdpi.com/2071-1050/9/11/1956/pdf |
