| article html file updated | 8 February 2020 01:09 CET | Update | https://www.mdpi.com/1424-8220/17/3/551 |
| article html file updated | 23 September 2019 18:02 CEST | Update | - |
| article html file updated | 4 May 2019 07:24 CEST | Update | - |
| article html file updated | 31 March 2017 10:08 CEST | Update | - |
| article html file updated | 10 March 2017 12:59 CET | Original file | - |
| article xml uploaded. | 10 March 2017 12:58 CET | Update | https://www.mdpi.com/1424-8220/17/3/551/xml |
| article pdf uploaded. | 10 March 2017 12:58 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/3/551/pdf |
| article pdf uploaded. | 9 March 2017 15:01 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/551/pdf-vor |
