| article html file updated | 7 February 2020 01:32 CET | Update | https://www.mdpi.com/1424-8220/15/12/29776 |
| article html file updated | 21 September 2019 06:53 CEST | Update | - |
| article html file updated | 6 May 2019 06:24 CEST | Update | - |
| article html file updated | 26 March 2019 15:20 CET | Update | - |
| article html file updated | 29 June 2017 13:18 CEST | Update | - |
| article html file updated | 29 June 2017 13:16 CEST | Original file | - |
| article pdf uploaded. | 30 November 2015 11:44 CET | Version of Record | https://www.mdpi.com/1424-8220/15/12/29776/pdf |
| article xml uploaded. | 30 November 2015 11:44 CET | Original file | https://www.mdpi.com/1424-8220/15/12/29776/xml |
