| article html file updated | 7 February 2020 09:01 CET | Update | https://www.mdpi.com/2073-4395/6/2/35 |
| article html file updated | 5 May 2019 15:11 CEST | Update | - |
| article html file updated | 27 March 2019 05:17 CET | Update | - |
| article html file updated | 30 June 2016 07:41 CEST | Update | - |
| article html file updated | 20 May 2016 09:22 CEST | Original file | - |
| article xml uploaded. | 20 May 2016 09:20 CEST | Original file | https://www.mdpi.com/2073-4395/6/2/35/xml |
| article pdf uploaded. | 20 May 2016 09:20 CEST | Version of Record | https://www.mdpi.com/2073-4395/6/2/35/pdf |
