| article html file updated | 23 February 2021 07:29 CET | Update | https://www.mdpi.com/2079-3200/5/2/12 |
| article html file updated | 8 February 2020 03:14 CET | Update | N/A |
| article html file updated | 24 September 2019 05:48 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:53 CEST | Update | N/A |
| article html file updated | 11 April 2017 11:25 CEST | Original file | N/A |
| article xml uploaded. | 11 April 2017 11:23 CEST | Original file | https://www.mdpi.com/2079-3200/5/2/12/xml |
| article pdf uploaded. | 11 April 2017 11:23 CEST | Updated version of record | https://www.mdpi.com/2079-3200/5/2/12/pdf |
| article pdf uploaded. | 10 April 2017 10:14 CEST | Version of Record | https://www.mdpi.com/2079-3200/5/2/12/pdf-vor |
