| article html file updated | 7 February 2020 10:18 CET | Update | https://www.mdpi.com/1424-8220/16/6/900 |
| article html file updated | 5 May 2019 12:43 CEST | Update | - |
| article html file updated | 27 March 2019 07:43 CET | Update | - |
| article html file updated | 29 June 2016 11:02 CEST | Update | - |
| article html file updated | 16 June 2016 15:16 CEST | Original file | - |
| article xml uploaded. | 16 June 2016 15:15 CEST | Original file | https://www.mdpi.com/1424-8220/16/6/900/xml |
| article pdf uploaded. | 16 June 2016 15:15 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/900/pdf |
