| article html file updated | 8 February 2020 01:22 CET | Update | https://www.mdpi.com/1424-8220/17/3/581 |
| article html file updated | 23 September 2019 19:19 CEST | Update | - |
| article html file updated | 4 May 2019 06:56 CEST | Update | - |
| article html file updated | 31 March 2017 10:15 CEST | Update | - |
| article html file updated | 13 March 2017 12:05 CET | Original file | - |
| article xml uploaded. | 13 March 2017 12:04 CET | Original file | https://www.mdpi.com/1424-8220/17/3/581/xml |
| article pdf uploaded. | 13 March 2017 12:04 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/581/pdf |
