| article html file updated | 8 February 2020 18:07 CET | Update | https://www.mdpi.com/2504-4494/1/2/12 |
| article html file updated | 27 September 2019 16:04 CEST | Update | N/A |
| article html file updated | 2 May 2019 22:01 CEST | Update | N/A |
| article html file updated | 11 October 2017 12:42 CEST | Original file | N/A |
| article xml uploaded. | 11 October 2017 12:41 CEST | Original file | https://www.mdpi.com/2504-4494/1/2/12/xml |
| article pdf uploaded. | 11 October 2017 12:41 CEST | Version of Record | https://www.mdpi.com/2504-4494/1/2/12/pdf |
