| article html file updated | 8 February 2020 10:15 CET | Update | https://www.mdpi.com/1999-4915/9/7/176 |
| article html file updated | 25 September 2019 18:56 CEST | Update | - |
| article html file updated | 3 May 2019 13:46 CEST | Update | - |
| article html file updated | 2 August 2017 06:22 CEST | Update | - |
| article html file updated | 6 July 2017 12:06 CEST | Original file | - |
| article xml uploaded. | 6 July 2017 12:04 CEST | Original file | https://www.mdpi.com/1999-4915/9/7/176/xml |
| article pdf uploaded. | 6 July 2017 12:04 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/7/176/pdf |
