| article html file updated | 8 February 2020 08:29 CET | Update | https://www.mdpi.com/2075-4442/5/2/18 |
| article html file updated | 25 September 2019 09:27 CEST | Update | - |
| article html file updated | 3 May 2019 17:05 CEST | Update | - |
| article html file updated | 30 June 2017 09:10 CEST | Update | - |
| article html file updated | 16 June 2017 14:33 CEST | Original file | - |
| article xml uploaded. | 16 June 2017 14:32 CEST | Original file | https://www.mdpi.com/2075-4442/5/2/18/xml |
| article pdf uploaded. | 16 June 2017 14:32 CEST | Version of Record | https://www.mdpi.com/2075-4442/5/2/18/pdf |
