| article html file updated | 9 February 2020 05:55 CET | Update | https://www.mdpi.com/2071-1050/10/2/439 |
| article html file updated | 30 September 2019 15:10 CEST | Update | - |
| article html file updated | 1 May 2019 20:02 CEST | Update | - |
| article html file updated | 17 April 2019 19:08 CEST | Update | - |
| article html file updated | 28 March 2019 21:48 CET | Update | - |
| article html file updated | 15 March 2018 09:52 CET | Update | - |
| article html file updated | 14 March 2018 11:53 CET | Update | - |
| article html file updated | 8 February 2018 09:23 CET | Original file | - |
| article xml uploaded. | 8 February 2018 09:22 CET | Original file | https://www.mdpi.com/2071-1050/10/2/439/xml |
| article pdf uploaded. | 8 February 2018 09:22 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/439/pdf |
