| article html file updated | 8 February 2020 00:21 CET | Update | https://www.mdpi.com/1424-8220/17/3/473 |
| article html file updated | 23 September 2019 13:22 CEST | Update | - |
| article html file updated | 4 May 2019 09:14 CEST | Update | - |
| article html file updated | 31 March 2017 09:53 CEST | Update | - |
| article html file updated | 27 February 2017 09:41 CET | Original file | - |
| article xml uploaded. | 27 February 2017 09:40 CET | Original file | https://www.mdpi.com/1424-8220/17/3/473/xml |
| article pdf uploaded. | 27 February 2017 09:40 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/473/pdf |
