| article html file updated | 7 February 2020 23:09 CET | Update | https://www.mdpi.com/1424-8220/17/2/347 |
| article html file updated | 23 September 2019 06:38 CEST | Update | - |
| article html file updated | 4 May 2019 11:43 CEST | Update | - |
| article html file updated | 2 March 2017 11:32 CET | Update | - |
| article html file updated | 14 February 2017 07:37 CET | Original file | - |
| article xml uploaded. | 14 February 2017 07:36 CET | Original file | https://www.mdpi.com/1424-8220/17/2/347/xml |
| article pdf uploaded. | 14 February 2017 07:36 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/347/pdf |
| article pdf uploaded. | 10 February 2017 16:57 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/347/pdf-vor |
