| article html file updated | 12 February 2020 00:32 CET | Update | https://www.mdpi.com/2076-3417/9/6/1239 |
| article html file updated | 17 October 2019 03:18 CEST | Update | - |
| article html file updated | 25 April 2019 22:11 CEST | Update | - |
| article html file updated | 11 April 2019 17:19 CEST | Update | - |
| article html file updated | 10 April 2019 14:28 CEST | Update | - |
| article html file updated | 25 March 2019 06:55 CET | Original file | - |
| article pdf uploaded. | 25 March 2019 06:54 CET | Version of Record | https://www.mdpi.com/2076-3417/9/6/1239/pdf |
| article xml uploaded. | 25 March 2019 06:54 CET | Update | https://www.mdpi.com/2076-3417/9/6/1239/xml |
| article xml file uploaded | 25 March 2019 06:54 CET | Original file | - |