| article html file updated | 8 February 2020 01:17 CET | Update | https://www.mdpi.com/1424-8220/17/3/568 |
| article html file updated | 23 September 2019 18:50 CEST | Update | - |
| article html file updated | 4 May 2019 07:06 CEST | Update | - |
| article html file updated | 31 March 2017 10:12 CEST | Update | - |
| article html file updated | 13 March 2017 10:15 CET | Original file | - |
| article xml uploaded. | 13 March 2017 10:14 CET | Update | https://www.mdpi.com/1424-8220/17/3/568/xml |
| article pdf uploaded. | 13 March 2017 10:14 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/3/568/pdf |
| article pdf uploaded. | 11 March 2017 11:51 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/568/pdf-vor |
