| article html file updated | 12 February 2020 19:27 CET | Update | https://www.mdpi.com/2313-5778/3/2/31 |
| article html file updated | 13 June 2019 11:55 CEST | Original file | - |
| article pdf uploaded. | 13 June 2019 11:54 CEST | Version of Record | https://www.mdpi.com/2313-5778/3/2/31/pdf |
| article xml uploaded. | 13 June 2019 11:54 CEST | Update | https://www.mdpi.com/2313-5778/3/2/31/xml |
| article xml file uploaded | 13 June 2019 11:54 CEST | Original file | - |
