| article html file updated | 12 February 2020 11:09 CET | Update | https://www.mdpi.com/1424-8220/19/9/2159 |
| article html file updated | 19 October 2019 20:14 CEST | Update | N/A |
| article html file updated | 24 May 2019 17:17 CEST | Update | N/A |
| article html file updated | 13 May 2019 14:56 CEST | Original file | N/A |
| article pdf uploaded. | 13 May 2019 14:54 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/9/2159/pdf |
| article xml uploaded. | 13 May 2019 14:54 CEST | Update | https://www.mdpi.com/1424-8220/19/9/2159/xml |
| article xml file uploaded | 13 May 2019 14:54 CEST | Update | N/A |
| article pdf uploaded. | 9 May 2019 15:44 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/9/2159/pdf-vor |
| article xml file uploaded | 9 May 2019 15:44 CEST | Original file | N/A |
