| article html file updated | 12 February 2020 12:19 CET | Update | https://www.mdpi.com/2076-0787/8/2/93 |
| article html file updated | 16 May 2019 10:10 CEST | Original file | N/A |
| article pdf uploaded. | 14 May 2019 13:59 CEST | Version of Record | https://www.mdpi.com/2076-0787/8/2/93/pdf |
| article xml uploaded. | 14 May 2019 13:59 CEST | Update | https://www.mdpi.com/2076-0787/8/2/93/xml |
| article xml file uploaded | 14 May 2019 13:59 CEST | Original file | N/A |
