| article html file updated | 6 February 2020 21:56 CET | Update | https://www.mdpi.com/1424-8220/15/8/20659 |
| article html file updated | 6 May 2019 13:09 CEST | Update | - |
| article html file updated | 26 March 2019 09:05 CET | Update | - |
| article html file updated | 9 September 2015 11:48 CEST | Original file | - |
| article xml file uploaded | 9 September 2015 11:48 CEST | Original file | https://www.mdpi.com/1424-8220/15/8/20659/xml |
| article pdf uploaded. | 28 August 2015 14:51 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/8/20659/pdf |
| article pdf uploaded. | 20 August 2015 11:26 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/8/20659/pdf-vor |
