| article html file updated | 9 February 2020 12:24 CET | Update | https://www.mdpi.com/2310-2861/4/2/32 |
| article html file updated | 1 May 2019 06:21 CEST | Update | - |
| article html file updated | 17 April 2019 06:25 CEST | Update | - |
| article html file updated | 29 March 2019 12:26 CET | Update | - |
| article html file updated | 3 April 2018 18:03 CEST | Original file | - |
| article xml uploaded. | 3 April 2018 18:02 CEST | Original file | https://www.mdpi.com/2310-2861/4/2/32/xml |
| article pdf uploaded. | 3 April 2018 18:02 CEST | Version of Record | https://www.mdpi.com/2310-2861/4/2/32/pdf |
