| article html file updated | 12 February 2020 20:50 CET | Update | https://www.mdpi.com/2076-3417/9/12/2506 |
| article html file updated | 22 October 2019 04:20 CEST | Update | - |
| article html file updated | 3 July 2019 18:24 CEST | Update | - |
| article html file updated | 19 June 2019 16:15 CEST | Original file | - |
| article pdf uploaded. | 19 June 2019 16:13 CEST | Version of Record | https://www.mdpi.com/2076-3417/9/12/2506/pdf |
| article xml uploaded. | 19 June 2019 16:13 CEST | Update | https://www.mdpi.com/2076-3417/9/12/2506/xml |
| article xml file uploaded | 19 June 2019 16:13 CEST | Original file | - |
