| article html file updated | 7 February 2020 23:24 CET | Update | https://www.mdpi.com/2073-4352/7/2/35 |
| article html file updated | 23 September 2019 08:01 CEST | Update | - |
| article html file updated | 4 May 2019 11:13 CEST | Update | - |
| article html file updated | 2 March 2017 03:37 CET | Update | - |
| article html file updated | 15 February 2017 07:36 CET | Original file | - |
| article xml uploaded. | 15 February 2017 07:24 CET | Original file | https://www.mdpi.com/2073-4352/7/2/35/xml |
| article pdf uploaded. | 15 February 2017 07:24 CET | Version of Record | https://www.mdpi.com/2073-4352/7/2/35/pdf |
