| article html file updated | 7 February 2020 16:08 CET | Update | https://www.mdpi.com/2073-4441/8/10/440 |
| article html file updated | 5 May 2019 02:03 CEST | Update | - |
| article html file updated | 28 October 2016 12:30 CEST | Update | - |
| article html file updated | 10 October 2016 14:17 CEST | Original file | - |
| article xml uploaded. | 10 October 2016 14:16 CEST | Update | https://www.mdpi.com/2073-4441/8/10/440/xml |
| article xml uploaded. | 10 October 2016 14:16 CEST | Original file | - |
| article pdf uploaded. | 10 October 2016 14:16 CEST | Version of Record | https://www.mdpi.com/2073-4441/8/10/440/pdf |
