| article html file updated | 7 February 2020 20:28 CET | Update | https://www.mdpi.com/1424-8220/17/1/55 |
| article html file updated | 22 September 2019 16:08 CEST | Update | - |
| article html file updated | 4 May 2019 17:28 CEST | Update | - |
| article html file updated | 8 February 2017 09:11 CET | Update | - |
| article html file updated | 30 December 2016 07:03 CET | Update | - |
| article xml uploaded. | 30 December 2016 07:02 CET | Update | https://www.mdpi.com/1424-8220/17/1/55/xml |
| article xml uploaded. | 30 December 2016 07:02 CET | Update | - |
| article pdf uploaded. | 30 December 2016 07:02 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/1/55/pdf |
| article html file updated | 29 December 2016 09:43 CET | Original file | - |
| article xml uploaded. | 29 December 2016 09:41 CET | Update | - |
| article xml uploaded. | 29 December 2016 09:41 CET | Original file | - |
| article pdf uploaded. | 29 December 2016 09:41 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/55/pdf-vor |
