| article html file updated | 8 February 2020 17:10 CET | Update | https://www.mdpi.com/2079-4983/8/4/44 |
| article html file updated | 27 September 2019 09:09 CEST | Update | - |
| article html file updated | 3 May 2019 00:03 CEST | Update | - |
| article html file updated | 11 December 2018 08:32 CET | Update | - |
| article html file updated | 2 January 2018 20:34 CET | Update | - |
| article html file updated | 26 September 2017 12:09 CEST | Original file | - |
| article xml uploaded. | 26 September 2017 12:07 CEST | Original file | https://www.mdpi.com/2079-4983/8/4/44/xml |
| article pdf uploaded. | 26 September 2017 12:07 CEST | Version of Record | https://www.mdpi.com/2079-4983/8/4/44/pdf |
