| article html file updated | 7 February 2020 11:45 CET | Update | https://www.mdpi.com/2073-4441/8/7/291 |
| article html file updated | 5 May 2019 10:03 CEST | Update | - |
| article html file updated | 27 March 2019 10:23 CET | Update | - |
| article html file updated | 28 July 2016 10:02 CEST | Update | - |
| article html file updated | 15 July 2016 12:47 CEST | Original file | - |
| article xml uploaded. | 15 July 2016 12:46 CEST | Original file | https://www.mdpi.com/2073-4441/8/7/291/xml |
| article pdf uploaded. | 15 July 2016 12:46 CEST | Version of Record | https://www.mdpi.com/2073-4441/8/7/291/pdf |
