| article html file updated | 8 February 2020 11:51 CET | Update | https://www.mdpi.com/1999-4915/9/7/194 |
| article html file updated | 26 September 2019 03:16 CEST | Update | - |
| article html file updated | 3 May 2019 10:41 CEST | Update | - |
| article html file updated | 27 March 2019 17:23 CET | Update | - |
| article html file updated | 2 August 2017 06:24 CEST | Update | - |
| article html file updated | 24 July 2017 15:03 CEST | Original file | - |
| article xml uploaded. | 24 July 2017 15:02 CEST | Original file | https://www.mdpi.com/1999-4915/9/7/194/xml |
| article pdf uploaded. | 24 July 2017 15:02 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/7/194/pdf |
