| article html file updated | 8 February 2020 22:46 CET | Update | https://www.mdpi.com/2079-6412/7/12/217 |
| article html file updated | 28 September 2019 21:31 CEST | Update | - |
| article html file updated | 2 May 2019 11:28 CEST | Update | - |
| article html file updated | 18 April 2019 09:05 CEST | Update | - |
| article html file updated | 2 January 2018 10:14 CET | Update | - |
| article html file updated | 1 December 2017 12:23 CET | Original file | - |
| article xml uploaded. | 1 December 2017 12:21 CET | Update | https://www.mdpi.com/2079-6412/7/12/217/xml |
| article xml uploaded. | 1 December 2017 12:21 CET | Original file | - |
| article pdf uploaded. | 1 December 2017 12:21 CET | Version of Record | https://www.mdpi.com/2079-6412/7/12/217/pdf |
