| article html file updated | 8 February 2020 17:07 CET | Update | https://www.mdpi.com/1999-4915/9/10/274 |
| article html file updated | 27 September 2019 08:49 CEST | Update | - |
| article html file updated | 3 May 2019 00:09 CEST | Update | - |
| article html file updated | 6 November 2017 07:58 CET | Update | - |
| article html file updated | 25 September 2017 15:19 CEST | Original file | - |
| article xml uploaded. | 25 September 2017 15:17 CEST | Original file | https://www.mdpi.com/1999-4915/9/10/274/xml |
| article pdf uploaded. | 25 September 2017 15:17 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/10/274/pdf |
