| article html file updated | 8 February 2020 11:59 CET | Update | https://www.mdpi.com/2079-6412/7/8/108 |
| article html file updated | 26 September 2019 04:00 CEST | Update | - |
| article html file updated | 3 May 2019 10:20 CEST | Update | - |
| article html file updated | 27 March 2019 17:38 CET | Update | - |
| article html file updated | 30 August 2017 09:17 CEST | Update | - |
| article html file updated | 25 July 2017 15:55 CEST | Original file | - |
| article xml uploaded. | 25 July 2017 15:53 CEST | Original file | https://www.mdpi.com/2079-6412/7/8/108/xml |
| article pdf uploaded. | 25 July 2017 15:53 CEST | Version of Record | https://www.mdpi.com/2079-6412/7/8/108/pdf |
