| article html file updated | 7 February 2020 22:26 CET | Update | https://www.mdpi.com/1424-8220/17/2/262 |
| article html file updated | 23 September 2019 02:40 CEST | Update | - |
| article html file updated | 4 May 2019 13:11 CEST | Update | - |
| article html file updated | 2 March 2017 11:12 CET | Update | - |
| article html file updated | 10 February 2017 12:56 CET | Original file | - |
| article xml uploaded. | 10 February 2017 12:55 CET | Original file | https://www.mdpi.com/1424-8220/17/2/262/xml |
| article pdf uploaded. | 10 February 2017 12:55 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/262/pdf |
| article pdf uploaded. | 28 January 2017 11:13 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/262/pdf-vor |
