| article html file updated | 9 February 2020 00:30 CET | Update | https://www.mdpi.com/2071-1050/9/12/2371 |
| article html file updated | 29 September 2019 07:43 CEST | Update | - |
| article html file updated | 2 May 2019 07:39 CEST | Update | - |
| article html file updated | 18 April 2019 05:29 CEST | Update | - |
| article html file updated | 2 January 2018 19:28 CET | Update | - |
| article html file updated | 19 December 2017 09:31 CET | Original file | - |
| article xml uploaded. | 19 December 2017 09:29 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2371/xml |
| article pdf uploaded. | 19 December 2017 09:29 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2371/pdf |
