| article html file updated | 6 February 2020 21:50 CET | Update | https://www.mdpi.com/1424-8220/15/8/20316 |
| article html file updated | 6 May 2019 13:21 CEST | Update | - |
| article html file updated | 26 March 2019 08:54 CET | Update | - |
| article html file updated | 9 September 2015 11:48 CEST | Update | - |
| article xml file uploaded | 9 September 2015 11:48 CEST | Original file | https://www.mdpi.com/1424-8220/15/8/20316/xml |
| article html file updated | 21 August 2015 15:39 CEST | Original file | - |
| article pdf uploaded. | 21 August 2015 15:06 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/8/20316/pdf |
| article pdf uploaded. | 18 August 2015 12:11 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/8/20316/pdf-vor |
