| article html file updated | 12 February 2020 21:37 CET | Update | https://www.mdpi.com/2076-0787/8/2/117 |
| article html file updated | 24 June 2019 04:11 CEST | Original file | - |
| article pdf uploaded. | 24 June 2019 04:10 CEST | Version of Record | https://www.mdpi.com/2076-0787/8/2/117/pdf |
| article xml uploaded. | 24 June 2019 04:10 CEST | Update | https://www.mdpi.com/2076-0787/8/2/117/xml |
| article xml file uploaded | 24 June 2019 04:10 CEST | Original file | - |
