| article html file updated | 8 February 2020 07:39 CET | Update | https://www.mdpi.com/2079-4991/7/6/140 |
| article html file updated | 25 September 2019 05:10 CEST | Update | - |
| article html file updated | 3 May 2019 18:39 CEST | Update | - |
| article html file updated | 27 June 2017 11:07 CEST | Update | - |
| article html file updated | 7 June 2017 10:23 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 10:22 CEST | Original file | https://www.mdpi.com/2079-4991/7/6/140/xml |
| article pdf uploaded. | 7 June 2017 10:22 CEST | Version of Record | https://www.mdpi.com/2079-4991/7/6/140/pdf |
