| article html file updated | 8 February 2020 01:25 CET | Update | https://www.mdpi.com/1424-8220/17/3/591 |
| article html file updated | 23 September 2019 19:31 CEST | Update | - |
| article html file updated | 4 May 2019 06:50 CEST | Update | - |
| article html file updated | 31 March 2017 10:17 CEST | Update | - |
| article html file updated | 14 March 2017 10:11 CET | Original file | - |
| article xml uploaded. | 14 March 2017 10:10 CET | Original file | https://www.mdpi.com/1424-8220/17/3/591/xml |
| article pdf uploaded. | 14 March 2017 10:10 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/591/pdf |
