| article html file updated | 8 February 2020 08:24 CET | Update | https://www.mdpi.com/2304-6767/5/2/18 |
| article html file updated | 3 May 2019 17:16 CEST | Update | - |
| article html file updated | 15 June 2017 13:38 CEST | Original file | - |
| article xml uploaded. | 15 June 2017 13:37 CEST | Original file | https://www.mdpi.com/2304-6767/5/2/18/xml |
| article pdf uploaded. | 15 June 2017 13:37 CEST | Version of Record | https://www.mdpi.com/2304-6767/5/2/18/pdf |
