| article html file updated | 8 February 2020 22:13 CET | Update | https://www.mdpi.com/2079-6412/7/12/212 |
| article html file updated | 28 September 2019 18:07 CEST | Update | - |
| article html file updated | 2 May 2019 12:44 CEST | Update | - |
| article html file updated | 18 April 2019 10:21 CEST | Update | - |
| article html file updated | 2 January 2018 10:12 CET | Update | - |
| article html file updated | 25 November 2017 11:40 CET | Original file | - |
| article xml uploaded. | 25 November 2017 11:39 CET | Original file | https://www.mdpi.com/2079-6412/7/12/212/xml |
| article pdf uploaded. | 25 November 2017 11:39 CET | Version of Record | https://www.mdpi.com/2079-6412/7/12/212/pdf |
