| article html file updated | 7 February 2020 17:10 CET | Update | https://www.mdpi.com/2073-4441/8/11/489 |
| article html file updated | 5 May 2019 00:06 CEST | Update | - |
| article html file updated | 30 November 2016 10:48 CET | Update | - |
| article html file updated | 28 October 2016 13:31 CEST | Original file | - |
| article xml uploaded. | 28 October 2016 13:30 CEST | Update | https://www.mdpi.com/2073-4441/8/11/489/xml |
| article xml uploaded. | 28 October 2016 13:30 CEST | Original file | - |
| article pdf uploaded. | 28 October 2016 13:30 CEST | Version of Record | https://www.mdpi.com/2073-4441/8/11/489/pdf |
