| article html file updated | 8 February 2020 13:06 CET | Update | https://www.mdpi.com/1999-4915/9/8/216 |
| article html file updated | 26 September 2019 10:34 CEST | Update | - |
| article html file updated | 3 May 2019 07:50 CEST | Update | - |
| article html file updated | 27 March 2019 19:54 CET | Update | - |
| article html file updated | 1 September 2017 05:19 CEST | Update | - |
| article html file updated | 9 August 2017 14:01 CEST | Original file | - |
| article xml uploaded. | 9 August 2017 14:00 CEST | Original file | https://www.mdpi.com/1999-4915/9/8/216/xml |
| article pdf uploaded. | 9 August 2017 14:00 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/8/216/pdf |
| article pdf uploaded. | 8 August 2017 13:45 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/8/216/pdf-vor |