| article html file updated | 8 February 2020 18:57 CET | Update | https://www.mdpi.com/1999-4915/9/10/306 |
| article html file updated | 27 September 2019 21:24 CEST | Update | - |
| article html file updated | 2 May 2019 20:07 CEST | Update | - |
| article html file updated | 6 November 2017 07:56 CET | Update | - |
| article html file updated | 20 October 2017 11:43 CEST | Original file | - |
| article xml uploaded. | 20 October 2017 11:41 CEST | Original file | https://www.mdpi.com/1999-4915/9/10/306/xml |
| article pdf uploaded. | 20 October 2017 11:41 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/10/306/pdf |
