| article html file updated | 8 February 2020 17:48 CET | Update | https://www.mdpi.com/1999-4907/8/10/375 |
| article html file updated | 27 September 2019 13:20 CEST | Update | - |
| article html file updated | 2 May 2019 22:43 CEST | Update | - |
| article html file updated | 1 November 2017 04:35 CET | Update | - |
| article html file updated | 9 October 2017 06:04 CEST | Original file | - |
| article xml uploaded. | 9 October 2017 06:02 CEST | Original file | https://www.mdpi.com/1999-4907/8/10/375/xml |
| article pdf uploaded. | 9 October 2017 06:02 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/10/375/pdf |
| article pdf uploaded. | 4 October 2017 09:45 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/10/375/pdf-vor |
