| article html file updated | 8 February 2020 08:43 CET | Update | https://www.mdpi.com/2304-6767/5/2/22 |
| article html file updated | 3 May 2019 16:37 CEST | Update | N/A |
| article html file updated | 20 June 2017 08:30 CEST | Original file | N/A |
| article xml uploaded. | 20 June 2017 08:29 CEST | Original file | https://www.mdpi.com/2304-6767/5/2/22/xml |
| article pdf uploaded. | 20 June 2017 08:29 CEST | Version of Record | https://www.mdpi.com/2304-6767/5/2/22/pdf |
