| article html file updated | 9 February 2020 19:31 CET | Update | https://www.mdpi.com/1424-8220/18/6/1756 |
| article html file updated | 4 October 2019 01:58 CEST | Update | - |
| article html file updated | 30 April 2019 15:35 CEST | Update | - |
| article html file updated | 16 April 2019 16:05 CEST | Update | - |
| article html file updated | 30 March 2019 05:45 CET | Update | - |
| article html file updated | 30 May 2018 06:31 CEST | Original file | - |
| article pdf uploaded. | 30 May 2018 06:29 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/6/1756/pdf |
| article xml uploaded. | 30 May 2018 06:29 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1756/xml |
| article xml file uploaded | 30 May 2018 06:29 CEST | Original file | - |
