| article html file updated | 12 February 2020 15:54 CET | Update | https://www.mdpi.com/2075-163X/9/6/331 |
| article html file updated | 20 October 2019 21:52 CEST | Update | N/A |
| article html file updated | 4 July 2019 15:48 CEST | Update | N/A |
| article html file updated | 31 May 2019 07:53 CEST | Original file | N/A |
| article pdf uploaded. | 31 May 2019 07:52 CEST | Updated version of record | https://www.mdpi.com/2075-163X/9/6/331/pdf |
| article xml uploaded. | 31 May 2019 07:52 CEST | Update | https://www.mdpi.com/2075-163X/9/6/331/xml |
| article xml file uploaded | 31 May 2019 07:52 CEST | Update | N/A |
| article pdf uploaded. | 28 May 2019 16:09 CEST | Version of Record | https://www.mdpi.com/2075-163X/9/6/331/pdf-vor |
| article xml file uploaded | 28 May 2019 16:09 CEST | Original file | N/A |
