| article html file updated | 12 February 2020 10:30 CET | Update | https://www.mdpi.com/1996-1073/12/9/1726 |
| article html file updated | 19 October 2019 16:35 CEST | Update | N/A |
| article html file updated | 24 May 2019 12:14 CEST | Update | N/A |
| article html file updated | 7 May 2019 14:42 CEST | Original file | N/A |
| article pdf uploaded. | 7 May 2019 12:40 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1726/pdf |
| article xml uploaded. | 7 May 2019 12:40 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1726/xml |
| article xml file uploaded | 7 May 2019 12:40 CEST | Original file | N/A |
