| article html file updated | 8 February 2020 08:33 CET | Update | https://www.mdpi.com/2075-4442/5/2/19 |
| article html file updated | 25 September 2019 09:47 CEST | Update | - |
| article html file updated | 3 May 2019 16:57 CEST | Update | - |
| article html file updated | 30 June 2017 09:10 CEST | Update | - |
| article html file updated | 17 June 2017 10:26 CEST | Original file | - |
| article xml uploaded. | 17 June 2017 10:25 CEST | Update | https://www.mdpi.com/2075-4442/5/2/19/xml |
| article pdf uploaded. | 17 June 2017 10:25 CEST | Version of Record | https://www.mdpi.com/2075-4442/5/2/19/pdf |
