| article html file updated | 7 February 2020 10:26 CET | Update | https://www.mdpi.com/2073-4441/8/6/258 |
| article html file updated | 21 September 2019 19:23 CEST | Update | - |
| article html file updated | 5 May 2019 12:26 CEST | Update | - |
| article html file updated | 27 March 2019 07:58 CET | Update | - |
| article html file updated | 29 June 2016 12:24 CEST | Update | - |
| article html file updated | 20 June 2016 11:55 CEST | Original file | - |
| article xml uploaded. | 20 June 2016 11:53 CEST | Original file | https://www.mdpi.com/2073-4441/8/6/258/xml |
| article pdf uploaded. | 20 June 2016 11:53 CEST | Version of Record | https://www.mdpi.com/2073-4441/8/6/258/pdf |
