| article html file updated | 13 February 2020 14:27 CET | Update | https://www.mdpi.com/2227-7072/7/3/47 |
| article html file updated | 26 September 2019 16:23 CEST | Update | N/A |
| article html file updated | 2 September 2019 11:34 CEST | Original file | N/A |
| article pdf uploaded. | 2 September 2019 11:32 CEST | Version of Record | https://www.mdpi.com/2227-7072/7/3/47/pdf |
| article xml uploaded. | 2 September 2019 11:32 CEST | Update | https://www.mdpi.com/2227-7072/7/3/47/xml |
| article xml file uploaded | 2 September 2019 11:32 CEST | Original file | N/A |
