| article html file updated | 15 August 2026 23:34 CEST | Update | https://www.mdpi.com/1424-8220/19/9/2138 |
| article html file updated | 12 February 2020 10:53 CET | Update | N/A |
| article html file updated | 19 October 2019 18:39 CEST | Update | N/A |
| article html file updated | 24 May 2019 17:04 CEST | Update | N/A |
| article html file updated | 9 May 2019 18:59 CEST | Original file | N/A |
| article pdf uploaded. | 9 May 2019 12:16 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/9/2138/pdf |
| article xml uploaded. | 9 May 2019 12:16 CEST | Update | https://www.mdpi.com/1424-8220/19/9/2138/xml |
| article xml file uploaded | 9 May 2019 12:16 CEST | Update | N/A |
| article pdf uploaded. | 8 May 2019 16:55 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/9/2138/pdf-vor |
| article xml file uploaded | 8 May 2019 16:55 CEST | Original file | N/A |
