| article html file updated | 7 February 2020 23:19 CET | Update | https://www.mdpi.com/1424-8220/17/2/334 |
| article html file updated | 23 September 2019 07:31 CEST | Update | - |
| article html file updated | 4 May 2019 11:24 CEST | Update | - |
| article html file updated | 2 March 2017 11:29 CET | Update | - |
| article pdf uploaded. | 15 February 2017 09:12 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/334/pdf |
| article html file updated | 14 February 2017 08:14 CET | Original file | - |
| article xml uploaded. | 14 February 2017 08:13 CET | Update | https://www.mdpi.com/1424-8220/17/2/334/xml |
| article xml uploaded. | 14 February 2017 08:13 CET | Original file | - |
| article pdf uploaded. | 14 February 2017 08:13 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/334/pdf-vor |
