| article html file updated | 23 February 2021 07:30 CET | Update | https://www.mdpi.com/2079-3200/5/2/19 |
| article html file updated | 8 February 2020 05:18 CET | Update | N/A |
| article html file updated | 24 September 2019 17:04 CEST | Update | N/A |
| article html file updated | 3 May 2019 23:04 CEST | Update | N/A |
| article html file updated | 23 May 2017 03:51 CEST | Update | N/A |
| article html file updated | 8 May 2017 11:04 CEST | Original file | N/A |
| article xml uploaded. | 8 May 2017 11:02 CEST | Original file | https://www.mdpi.com/2079-3200/5/2/19/xml |
| article pdf uploaded. | 8 May 2017 11:02 CEST | Version of Record | https://www.mdpi.com/2079-3200/5/2/19/pdf |
