| article html file updated | 7 February 2020 13:12 CET | Update | https://www.mdpi.com/2227-9717/4/3/25 |
| article html file updated | 5 May 2019 07:21 CEST | Update | - |
| article html file updated | 27 March 2019 13:23 CET | Update | - |
| article html file updated | 28 September 2016 22:54 CEST | Update | - |
| article html file updated | 11 August 2016 11:48 CEST | Original file | - |
| article xml uploaded. | 11 August 2016 11:47 CEST | Update | https://www.mdpi.com/2227-9717/4/3/25/xml |
| article xml uploaded. | 11 August 2016 11:47 CEST | Original file | - |
| article pdf uploaded. | 11 August 2016 11:47 CEST | Version of Record | https://www.mdpi.com/2227-9717/4/3/25/pdf |
