| article html file updated | 9 February 2020 06:10 CET | Update | https://www.mdpi.com/2071-1050/10/2/469 |
| article html file updated | 1 May 2019 19:29 CEST | Update | - |
| article html file updated | 17 April 2019 18:39 CEST | Update | - |
| article html file updated | 28 March 2019 22:20 CET | Update | - |
| article html file updated | 15 March 2018 09:55 CET | Update | - |
| article html file updated | 14 March 2018 12:02 CET | Update | - |
| article html file updated | 9 February 2018 18:40 CET | Original file | - |
| article xml uploaded. | 9 February 2018 18:39 CET | Original file | https://www.mdpi.com/2071-1050/10/2/469/xml |
| article pdf uploaded. | 9 February 2018 18:39 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/469/pdf |
