| article html file updated | 7 February 2020 12:09 CET | Update | https://www.mdpi.com/2073-4441/8/7/311 |
| article html file updated | 5 May 2019 09:20 CEST | Update | - |
| article html file updated | 27 March 2019 11:07 CET | Update | - |
| article html file updated | 28 July 2016 10:08 CEST | Update | - |
| article html file updated | 22 July 2016 11:02 CEST | Original file | - |
| article xml uploaded. | 22 July 2016 11:01 CEST | Original file | https://www.mdpi.com/2073-4441/8/7/311/xml |
| article pdf uploaded. | 22 July 2016 11:01 CEST | Version of Record | https://www.mdpi.com/2073-4441/8/7/311/pdf |
