| article html file updated | 9 February 2020 00:06 CET | Update | https://www.mdpi.com/1999-4915/9/12/381 |
| article html file updated | 29 September 2019 05:22 CEST | Update | - |
| article html file updated | 2 May 2019 08:30 CEST | Update | - |
| article html file updated | 18 April 2019 06:17 CEST | Update | - |
| article html file updated | 2 January 2018 17:45 CET | Update | - |
| article html file updated | 14 December 2017 17:23 CET | Original file | - |
| article xml uploaded. | 14 December 2017 17:22 CET | Original file | https://www.mdpi.com/1999-4915/9/12/381/xml |
| article pdf uploaded. | 14 December 2017 17:22 CET | Updated version of record | https://www.mdpi.com/1999-4915/9/12/381/pdf |
| article pdf uploaded. | 14 December 2017 13:24 CET | Version of Record | - |
