| article html file updated | 8 February 2020 22:16 CET | Update | https://www.mdpi.com/2071-1050/9/12/2170 |
| article html file updated | 28 September 2019 18:28 CEST | Update | - |
| article html file updated | 2 May 2019 12:37 CEST | Update | - |
| article html file updated | 18 April 2019 10:14 CEST | Update | - |
| article html file updated | 2 January 2018 17:16 CET | Update | - |
| article html file updated | 25 November 2017 12:25 CET | Original file | - |
| article xml uploaded. | 25 November 2017 12:23 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2170/xml |
| article pdf uploaded. | 25 November 2017 12:23 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2170/pdf |
