| article html file updated | 6 February 2020 22:35 CET | Update | https://www.mdpi.com/1424-8220/15/9/22798 |
| article html file updated | 6 May 2019 11:47 CEST | Update | N/A |
| article html file updated | 26 March 2019 10:19 CET | Update | N/A |
| article html file updated | 9 October 2015 11:59 CEST | Original file | N/A |
| article xml file uploaded | 9 October 2015 11:59 CEST | Original file | https://www.mdpi.com/1424-8220/15/9/22798/xml |
| article pdf uploaded. | 15 September 2015 11:03 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/9/22798/pdf |
| article pdf uploaded. | 9 September 2015 15:12 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/9/22798/pdf-vor |
