| article html file updated | 7 February 2020 18:19 CET | Update | https://www.mdpi.com/2306-5354/3/4/32 |
| article html file updated | 22 September 2019 06:12 CEST | Update | - |
| article html file updated | 4 May 2019 21:55 CEST | Update | - |
| article html file updated | 29 December 2016 06:10 CET | Update | - |
| article html file updated | 21 November 2016 09:18 CET | Original file | - |
| article xml uploaded. | 21 November 2016 09:17 CET | Update | https://www.mdpi.com/2306-5354/3/4/32/xml |
| article xml uploaded. | 21 November 2016 09:17 CET | Original file | - |
| article pdf uploaded. | 21 November 2016 09:17 CET | Version of Record | https://www.mdpi.com/2306-5354/3/4/32/pdf |
