| article html file updated | 7 February 2020 22:27 CET | Update | https://www.mdpi.com/1424-8220/17/2/264 |
| article html file updated | 23 September 2019 02:46 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:09 CEST | Update | N/A |
| article html file updated | 2 March 2017 11:12 CET | Update | N/A |
| article html file updated | 13 February 2017 12:16 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 12:14 CET | Original file | https://www.mdpi.com/1424-8220/17/2/264/xml |
| article pdf uploaded. | 13 February 2017 12:14 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/264/pdf |
| article pdf uploaded. | 29 January 2017 04:20 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/264/pdf-vor |
