| article html file updated | 12 February 2020 17:32 CET | Update | https://www.mdpi.com/2304-6775/7/2/39 |
| article html file updated | 21 October 2019 07:38 CEST | Update | N/A |
| article html file updated | 5 July 2019 18:23 CEST | Update | N/A |
| article html file updated | 4 June 2019 11:17 CEST | Original file | N/A |
| article pdf uploaded. | 4 June 2019 11:15 CEST | Version of Record | https://www.mdpi.com/2304-6775/7/2/39/pdf |
| article xml uploaded. | 4 June 2019 11:15 CEST | Update | https://www.mdpi.com/2304-6775/7/2/39/xml |
| article xml file uploaded | 4 June 2019 11:15 CEST | Original file | N/A |
