| article html file updated | 8 February 2020 00:24 CET | Update | https://www.mdpi.com/1424-8220/17/3/475 |
| article html file updated | 23 September 2019 13:43 CEST | Update | - |
| article html file updated | 4 May 2019 09:06 CEST | Update | - |
| article html file updated | 31 March 2017 09:54 CEST | Update | - |
| article html file updated | 28 February 2017 05:13 CET | Original file | - |
| article xml uploaded. | 28 February 2017 05:12 CET | Original file | https://www.mdpi.com/1424-8220/17/3/475/xml |
| article pdf uploaded. | 28 February 2017 05:12 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/3/475/pdf |
| article pdf uploaded. | 27 February 2017 15:01 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/475/pdf-vor |
