| article html file updated | 8 February 2020 20:43 CET | Update | https://www.mdpi.com/1424-8247/10/4/88 |
| article html file updated | 28 September 2019 08:26 CEST | Update | - |
| article html file updated | 2 May 2019 16:03 CEST | Update | - |
| article html file updated | 2 January 2018 09:46 CET | Update | - |
| article html file updated | 9 November 2017 11:40 CET | Original file | - |
| article xml uploaded. | 9 November 2017 11:38 CET | Update | https://www.mdpi.com/1424-8247/10/4/88/xml |
| article xml uploaded. | 9 November 2017 11:38 CET | Original file | - |
| article pdf uploaded. | 9 November 2017 11:38 CET | Version of Record | https://www.mdpi.com/1424-8247/10/4/88/pdf |
