| article html file updated | 23 February 2021 07:29 CET | Update | https://www.mdpi.com/2079-3200/5/2/14 |
| article html file updated | 8 February 2020 03:32 CET | Update | - |
| article html file updated | 24 September 2019 07:24 CEST | Update | - |
| article html file updated | 4 May 2019 02:19 CEST | Update | - |
| article html file updated | 13 April 2017 14:22 CEST | Original file | - |
| article xml uploaded. | 13 April 2017 14:20 CEST | Original file | https://www.mdpi.com/2079-3200/5/2/14/xml |
| article pdf uploaded. | 13 April 2017 14:20 CEST | Version of Record | https://www.mdpi.com/2079-3200/5/2/14/pdf |
