| article html file updated | 8 February 2020 12:42 CET | Update | https://www.mdpi.com/1999-4915/9/8/208 |
| article html file updated | 26 September 2019 08:12 CEST | Update | - |
| article html file updated | 3 May 2019 08:39 CEST | Update | - |
| article html file updated | 27 March 2019 19:04 CET | Update | - |
| article html file updated | 1 September 2017 05:18 CEST | Update | - |
| article html file updated | 4 August 2017 03:58 CEST | Original file | - |
| article xml uploaded. | 4 August 2017 03:57 CEST | Original file | https://www.mdpi.com/1999-4915/9/8/208/xml |
| article pdf uploaded. | 4 August 2017 03:57 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/8/208/pdf |
| article pdf uploaded. | 3 August 2017 13:02 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/8/208/pdf-vor |
