| article html file updated | 9 February 2020 05:48 CET | Update | https://www.mdpi.com/2071-1050/10/2/426 |
| article html file updated | 30 September 2019 14:24 CEST | Update | - |
| article html file updated | 1 May 2019 20:20 CEST | Update | - |
| article html file updated | 17 April 2019 19:23 CEST | Update | - |
| article html file updated | 28 March 2019 21:32 CET | Update | - |
| article html file updated | 15 March 2018 09:50 CET | Update | - |
| article html file updated | 14 March 2018 11:44 CET | Update | - |
| article html file updated | 7 February 2018 09:21 CET | Original file | - |
| article xml uploaded. | 7 February 2018 09:20 CET | Update | https://www.mdpi.com/2071-1050/10/2/426/xml |
| article xml uploaded. | 7 February 2018 09:20 CET | Original file | - |
| article pdf uploaded. | 7 February 2018 09:20 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/426/pdf |
