| article html file updated | 12 February 2020 18:34 CET | Update | https://www.mdpi.com/2226-471X/4/2/36 |
| article html file updated | 9 June 2019 09:38 CEST | Original file | N/A |
| article pdf uploaded. | 9 June 2019 09:36 CEST | Version of Record | https://www.mdpi.com/2226-471X/4/2/36/pdf |
| article xml uploaded. | 9 June 2019 09:36 CEST | Update | https://www.mdpi.com/2226-471X/4/2/36/xml |
| article xml file uploaded | 9 June 2019 09:36 CEST | Original file | N/A |
