| article html file updated | 9 February 2020 20:24 CET | Update | https://www.mdpi.com/1999-4893/11/6/81 |
| article html file updated | 30 April 2019 13:31 CEST | Update | - |
| article html file updated | 16 April 2019 14:08 CEST | Update | - |
| article html file updated | 16 April 2019 08:30 CEST | Update | - |
| article html file updated | 30 March 2019 07:57 CET | Update | - |
| article html file updated | 25 June 2018 11:45 CEST | Update | - |
| article html file updated | 5 June 2018 16:03 CEST | Original file | - |
| article pdf uploaded. | 5 June 2018 16:02 CEST | Version of Record | https://www.mdpi.com/1999-4893/11/6/81/pdf |
| article xml uploaded. | 5 June 2018 16:02 CEST | Update | https://www.mdpi.com/1999-4893/11/6/81/xml |
| article xml file uploaded | 5 June 2018 16:02 CEST | Original file | - |
