| article html file updated | 23 February 2021 07:36 CET | Update | https://www.mdpi.com/2079-3200/6/2/24 |
| article html file updated | 9 February 2020 14:29 CET | Update | - |
| article html file updated | 1 May 2019 02:12 CEST | Update | - |
| article html file updated | 17 April 2019 02:43 CEST | Update | - |
| article html file updated | 29 March 2019 17:13 CET | Update | - |
| article html file updated | 19 April 2018 11:22 CEST | Original file | - |
| article pdf uploaded. | 19 April 2018 11:21 CEST | Version of Record | https://www.mdpi.com/2079-3200/6/2/24/pdf |
| article xml uploaded. | 19 April 2018 11:21 CEST | Update | https://www.mdpi.com/2079-3200/6/2/24/xml |
| article xml file uploaded | 19 April 2018 11:21 CEST | Original file | - |
