| article html file updated | 6 February 2020 19:13 CET | Update | https://www.mdpi.com/1422-0067/16/6/12307 |
| article html file updated | 6 May 2019 18:45 CEST | Update | - |
| article html file updated | 26 March 2019 03:50 CET | Update | - |
| article html file updated | 21 August 2015 12:53 CEST | Update | - |
| article html file updated | 7 July 2015 07:41 CEST | Original file | - |
| article xml file uploaded | 7 July 2015 07:41 CEST | Original file | https://www.mdpi.com/1422-0067/16/6/12307/xml |
| article pdf uploaded. | 29 May 2015 14:57 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/6/12307/pdf |
