| article html file updated | 6 February 2020 19:00 CET | Update | https://www.mdpi.com/1424-8220/15/6/12273 |
| article html file updated | 6 May 2019 19:12 CEST | Update | - |
| article html file updated | 26 March 2019 03:26 CET | Update | - |
| article html file updated | 21 August 2015 12:36 CEST | Update | - |
| article html file updated | 15 July 2015 05:36 CEST | Original file | - |
| article xml file uploaded | 15 July 2015 05:36 CEST | Original file | https://www.mdpi.com/1424-8220/15/6/12273/xml |
| article pdf uploaded. | 26 May 2015 13:43 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/6/12273/pdf |
