| article html file updated | 23 February 2021 07:32 CET | Update | https://www.mdpi.com/2079-3200/5/3/28 |
| article html file updated | 8 February 2020 10:57 CET | Update | - |
| article html file updated | 25 September 2019 22:29 CEST | Update | - |
| article html file updated | 3 May 2019 12:29 CEST | Update | - |
| article html file updated | 20 July 2017 03:17 CEST | Update | - |
| article html file updated | 20 July 2017 03:16 CEST | Update | - |
| article html file updated | 20 July 2017 03:16 CEST | Original file | - |
| article xml uploaded. | 20 July 2017 03:14 CEST | Original file | https://www.mdpi.com/2079-3200/5/3/28/xml |
| article pdf uploaded. | 20 July 2017 03:14 CEST | Updated version of record | https://www.mdpi.com/2079-3200/5/3/28/pdf |
| article pdf uploaded. | 13 July 2017 14:50 CEST | Version of Record | https://www.mdpi.com/2079-3200/5/3/28/pdf-vor |
