| article html file updated | 8 February 2020 06:14 CET | Update | https://www.mdpi.com/2076-2607/5/2/27 |
| article html file updated | 24 September 2019 21:52 CEST | Update | - |
| article html file updated | 3 May 2019 21:19 CEST | Update | - |
| article html file updated | 28 June 2017 14:07 CEST | Update | - |
| article html file updated | 22 May 2017 04:51 CEST | Update | - |
| article html file updated | 19 May 2017 11:27 CEST | Original file | - |
| article xml uploaded. | 19 May 2017 11:25 CEST | Update | https://www.mdpi.com/2076-2607/5/2/27/xml |
| article pdf uploaded. | 19 May 2017 11:25 CEST | Version of Record | https://www.mdpi.com/2076-2607/5/2/27/pdf |
