| article html file updated | 7 February 2020 06:56 CET | Update | https://www.mdpi.com/2071-1050/8/4/343 |
| article html file updated | 21 September 2019 14:38 CEST | Update | - |
| article html file updated | 5 May 2019 19:22 CEST | Update | - |
| article html file updated | 27 March 2019 01:14 CET | Update | - |
| article html file updated | 29 April 2016 05:51 CEST | Update | - |
| article html file updated | 12 April 2016 13:46 CEST | Update | - |
| article pdf uploaded. | 12 April 2016 13:26 CEST | Updated version of record | https://www.mdpi.com/2071-1050/8/4/343/pdf |
| article html file updated | 7 April 2016 10:32 CEST | Original file | - |
| article xml uploaded. | 7 April 2016 10:31 CEST | Original file | https://www.mdpi.com/2071-1050/8/4/343/xml |
| article pdf uploaded. | 7 April 2016 10:31 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/4/343/pdf-vor |