| article html file updated | 8 February 2020 06:32 CET | Update | https://www.mdpi.com/1999-4915/9/6/126 |
| article html file updated | 24 September 2019 23:27 CEST | Update | - |
| article html file updated | 3 May 2019 20:44 CEST | Update | - |
| article html file updated | 29 June 2017 12:03 CEST | Update | - |
| article html file updated | 23 May 2017 15:38 CEST | Original file | - |
| article xml uploaded. | 23 May 2017 15:36 CEST | Original file | https://www.mdpi.com/1999-4915/9/6/126/xml |
| article pdf uploaded. | 23 May 2017 15:36 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/6/126/pdf |
