| article html file updated | 12 February 2020 19:09 CET | Update | https://www.mdpi.com/2227-7072/7/2/29 |
| article html file updated | 21 October 2019 18:16 CEST | Update | N/A |
| article html file updated | 5 July 2019 22:14 CEST | Update | N/A |
| article html file updated | 12 June 2019 11:49 CEST | Original file | N/A |
| article pdf uploaded. | 12 June 2019 11:48 CEST | Version of Record | https://www.mdpi.com/2227-7072/7/2/29/pdf |
| article xml uploaded. | 12 June 2019 11:48 CEST | Update | https://www.mdpi.com/2227-7072/7/2/29/xml |
| article xml file uploaded | 12 June 2019 11:48 CEST | Original file | N/A |
