| article html file updated | 8 February 2020 01:00 CET | Update | https://www.mdpi.com/1424-8220/17/3/537 |
| article html file updated | 23 September 2019 17:13 CEST | Update | - |
| article html file updated | 4 May 2019 07:43 CEST | Update | - |
| article html file updated | 31 March 2017 10:06 CEST | Update | - |
| article html file updated | 8 March 2017 09:11 CET | Original file | - |
| article xml uploaded. | 8 March 2017 09:09 CET | Update | https://www.mdpi.com/1424-8220/17/3/537/xml |
| article pdf uploaded. | 8 March 2017 09:09 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/537/pdf |
