| article html file updated | 8 February 2020 07:47 CET | Update | https://www.mdpi.com/2076-2607/5/2/33 |
| article html file updated | 25 September 2019 05:53 CEST | Update | - |
| article html file updated | 3 May 2019 18:23 CEST | Update | - |
| article html file updated | 28 June 2017 14:08 CEST | Update | - |
| article html file updated | 8 June 2017 12:35 CEST | Original file | - |
| article xml uploaded. | 8 June 2017 12:34 CEST | Original file | https://www.mdpi.com/2076-2607/5/2/33/xml |
| article pdf uploaded. | 8 June 2017 12:34 CEST | Version of Record | https://www.mdpi.com/2076-2607/5/2/33/pdf |
