| article html file updated | 8 February 2020 23:12 CET | Update | https://www.mdpi.com/2079-6412/7/12/223 |
| article html file updated | 29 September 2019 00:13 CEST | Update | - |
| article html file updated | 2 May 2019 10:29 CEST | Update | - |
| article html file updated | 18 April 2019 08:07 CEST | Update | - |
| article html file updated | 2 January 2018 10:16 CET | Update | - |
| article html file updated | 5 December 2017 14:49 CET | Original file | - |
| article xml uploaded. | 5 December 2017 14:48 CET | Update | https://www.mdpi.com/2079-6412/7/12/223/xml |
| article xml uploaded. | 5 December 2017 14:48 CET | Original file | - |
| article pdf uploaded. | 5 December 2017 14:48 CET | Version of Record | https://www.mdpi.com/2079-6412/7/12/223/pdf |
