| article html file updated | 6 February 2020 22:39 CET | Update | https://www.mdpi.com/2218-1989/5/3/475 |
| article html file updated | 6 May 2019 11:38 CEST | Update | - |
| article html file updated | 26 March 2019 10:27 CET | Update | - |
| article html file updated | 30 September 2015 08:31 CEST | Update | - |
| article xml file uploaded | 30 September 2015 08:31 CEST | Update | https://www.mdpi.com/2218-1989/5/3/475/xml |
| article html file updated | 16 September 2015 08:20 CEST | Original file | - |
| article xml file uploaded | 16 September 2015 08:20 CEST | Original file | - |
| article pdf uploaded. | 15 September 2015 10:59 CEST | Updated version of record | https://www.mdpi.com/2218-1989/5/3/475/pdf |
| article pdf uploaded. | 10 September 2015 16:55 CEST | Version of Record | https://www.mdpi.com/2218-1989/5/3/475/pdf-vor |
