| article html file updated | 7 February 2020 13:35 CET | Update | https://www.mdpi.com/2076-3425/6/3/35 |
| article html file updated | 5 May 2019 06:40 CEST | Update | - |
| article html file updated | 27 March 2019 14:08 CET | Update | - |
| article html file updated | 28 September 2016 11:44 CEST | Update | - |
| article html file updated | 19 August 2016 11:19 CEST | Original file | - |
| article xml uploaded. | 19 August 2016 11:18 CEST | Original file | https://www.mdpi.com/2076-3425/6/3/35/xml |
| article pdf uploaded. | 19 August 2016 11:18 CEST | Version of Record | https://www.mdpi.com/2076-3425/6/3/35/pdf |
