| article html file updated | 6 February 2020 21:56 CET | Update | https://www.mdpi.com/1424-8220/15/8/20608 |
| article html file updated | 6 May 2019 13:09 CEST | Update | N/A |
| article html file updated | 26 March 2019 09:04 CET | Update | N/A |
| article html file updated | 9 September 2015 11:48 CEST | Original file | N/A |
| article xml file uploaded | 9 September 2015 11:48 CEST | Original file | https://www.mdpi.com/1424-8220/15/8/20608/xml |
| article pdf uploaded. | 20 August 2015 11:19 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/8/20608/pdf |
