| article html file updated | 7 February 2020 20:35 CET | Update | https://www.mdpi.com/1424-8220/17/1/70 |
| article html file updated | 22 September 2019 16:50 CEST | Update | N/A |
| article html file updated | 4 May 2019 17:13 CEST | Update | N/A |
| article html file updated | 8 February 2017 09:19 CET | Update | N/A |
| article html file updated | 31 December 2016 07:38 CET | Original file | N/A |
| article xml uploaded. | 31 December 2016 07:36 CET | Update | https://www.mdpi.com/1424-8220/17/1/70/xml |
| article xml uploaded. | 31 December 2016 07:36 CET | Original file | N/A |
| article pdf uploaded. | 31 December 2016 07:36 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/70/pdf |
