| article html file updated | 6 February 2020 21:39 CET | Update | https://www.mdpi.com/1424-8220/15/8/19723 |
| article html file updated | 6 May 2019 13:46 CEST | Update | - |
| article html file updated | 26 March 2019 08:31 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/1424-8220/15/8/19723/xml |
| article pdf uploaded. | 13 August 2015 08:33 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/8/19723/pdf |
| article pdf uploaded. | 12 August 2015 11:27 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/8/19723/pdf-vor |
