| article html file updated | 7 February 2020 22:13 CET | Update | https://www.mdpi.com/2071-1050/9/2/170 |
| article html file updated | 23 September 2019 01:29 CEST | Update | - |
| article html file updated | 4 May 2019 13:37 CEST | Update | - |
| article html file updated | 1 March 2017 10:22 CET | Update | - |
| article html file updated | 25 January 2017 10:25 CET | Original file | - |
| article xml uploaded. | 25 January 2017 10:24 CET | Update | https://www.mdpi.com/2071-1050/9/2/170/xml |
| article xml uploaded. | 25 January 2017 10:24 CET | Original file | - |
| article pdf uploaded. | 25 January 2017 10:24 CET | Version of Record | https://www.mdpi.com/2071-1050/9/2/170/pdf |
