| article html file updated | 12 February 2020 11:21 CET | Update | https://www.mdpi.com/2076-0787/8/2/91 |
| article html file updated | 10 May 2019 12:51 CEST | Original file | - |
| article pdf uploaded. | 10 May 2019 11:52 CEST | Version of Record | https://www.mdpi.com/2076-0787/8/2/91/pdf |
| article xml uploaded. | 10 May 2019 11:52 CEST | Update | https://www.mdpi.com/2076-0787/8/2/91/xml |
| article xml file uploaded | 10 May 2019 11:52 CEST | Original file | - |
