| article html file updated | 22 June 2020 10:35 CEST | Original file | https://www.mdpi.com/2313-576X/6/2/32 |
| article pdf uploaded. | 22 June 2020 10:34 CEST | Version of Record | https://www.mdpi.com/2313-576X/6/2/32/pdf |
| article xml uploaded. | 22 June 2020 10:34 CEST | Update | https://www.mdpi.com/2313-576X/6/2/32/xml |
| article xml file uploaded | 22 June 2020 10:34 CEST | Original file | N/A |
