| article html file updated | 8 February 2020 23:22 CET | Update | https://www.mdpi.com/1999-4915/9/12/375 |
| article html file updated | 29 September 2019 01:08 CEST | Update | - |
| article html file updated | 2 May 2019 10:08 CEST | Update | - |
| article html file updated | 18 April 2019 07:47 CEST | Update | - |
| article html file updated | 2 January 2018 17:44 CET | Update | - |
| article html file updated | 7 December 2017 09:53 CET | Original file | - |
| article xml uploaded. | 7 December 2017 09:52 CET | Original file | https://www.mdpi.com/1999-4915/9/12/375/xml |
| article pdf uploaded. | 7 December 2017 09:52 CET | Version of Record | https://www.mdpi.com/1999-4915/9/12/375/pdf |
