| article html file updated | 6 February 2020 19:15 CET | Update | https://www.mdpi.com/1424-8220/15/6/12872 |
| article html file updated | 6 May 2019 18:39 CEST | Update | - |
| article html file updated | 26 March 2019 03:56 CET | Update | - |
| article html file updated | 21 August 2015 12:56 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/1424-8220/15/6/12872/xml |
| article pdf uploaded. | 2 June 2015 10:32 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/6/12872/pdf |
