| article html file updated | 12 February 2020 10:41 CET | Update | https://www.mdpi.com/2076-0787/8/2/88 |
| article html file updated | 8 May 2019 10:06 CEST | Original file | - |
| article pdf uploaded. | 8 May 2019 10:05 CEST | Version of Record | https://www.mdpi.com/2076-0787/8/2/88/pdf |
| article xml uploaded. | 8 May 2019 10:05 CEST | Update | https://www.mdpi.com/2076-0787/8/2/88/xml |
| article xml file uploaded | 8 May 2019 10:05 CEST | Original file | - |
