| article html file updated | 9 February 2020 00:10 CET | Update | https://www.mdpi.com/2079-4991/7/12/449 |
| article html file updated | 29 September 2019 05:43 CEST | Update | - |
| article html file updated | 2 May 2019 08:24 CEST | Update | - |
| article html file updated | 18 April 2019 06:10 CEST | Update | - |
| article html file updated | 2 January 2018 15:04 CET | Update | - |
| article html file updated | 15 December 2017 04:28 CET | Original file | - |
| article xml uploaded. | 15 December 2017 04:27 CET | Original file | https://www.mdpi.com/2079-4991/7/12/449/xml |
| article pdf uploaded. | 15 December 2017 04:27 CET | Version of Record | https://www.mdpi.com/2079-4991/7/12/449/pdf |
