| article html file updated | 7 February 2020 11:11 CET | Update | https://www.mdpi.com/2309-608X/2/3/22 |
| article html file updated | 5 May 2019 11:04 CEST | Update | - |
| article html file updated | 27 March 2019 09:20 CET | Update | - |
| article html file updated | 11 December 2018 09:14 CET | Update | - |
| article html file updated | 4 July 2016 11:00 CEST | Original file | - |
| article xml uploaded. | 4 July 2016 10:59 CEST | Original file | https://www.mdpi.com/2309-608X/2/3/22/xml |
| article pdf uploaded. | 4 July 2016 10:59 CEST | Version of Record | https://www.mdpi.com/2309-608X/2/3/22/pdf |
