| article html file updated | 7 February 2020 04:50 CET | Update | https://www.mdpi.com/2076-0825/5/1/5 |
| article html file updated | 5 May 2019 23:42 CEST | Update | - |
| article html file updated | 26 March 2019 21:18 CET | Update | - |
| article html file updated | 16 June 2016 05:00 CEST | Original file | - |
| article pdf uploaded. | 26 February 2016 10:39 CET | Updated version of record | https://www.mdpi.com/2076-0825/5/1/5/pdf |
| article pdf uploaded. | 22 February 2016 09:31 CET | Version of Record | https://www.mdpi.com/2076-0825/5/1/5/pdf-vor |
| article xml uploaded. | 22 February 2016 09:31 CET | Original file | https://www.mdpi.com/2076-0825/5/1/5/xml |
