| article html file updated | 7 February 2020 09:55 CET | Update | https://www.mdpi.com/2073-4441/8/6/244 |
| article html file updated | 5 May 2019 13:25 CEST | Update | - |
| article html file updated | 27 March 2019 07:02 CET | Update | - |
| article html file updated | 29 June 2016 12:19 CEST | Update | - |
| article html file updated | 14 June 2016 12:00 CEST | Update | - |
| article xml uploaded. | 14 June 2016 11:58 CEST | Update | https://www.mdpi.com/2073-4441/8/6/244/xml |
| article pdf uploaded. | 14 June 2016 11:58 CEST | Updated version of record | https://www.mdpi.com/2073-4441/8/6/244/pdf |
| article html file updated | 8 June 2016 10:46 CEST | Original file | - |
| article pdf uploaded. | 8 June 2016 10:44 CEST | Version of Record | https://www.mdpi.com/2073-4441/8/6/244/pdf-vor |
