| article html file updated | 7 February 2020 06:35 CET | Update | https://www.mdpi.com/2075-163X/6/2/26 |
| article html file updated | 5 May 2019 20:04 CEST | Update | - |
| article html file updated | 27 March 2019 00:37 CET | Update | - |
| article html file updated | 4 July 2016 06:17 CEST | Update | - |
| article html file updated | 6 April 2016 12:01 CEST | Update | - |
| article xml uploaded. | 6 April 2016 12:00 CEST | Update | https://www.mdpi.com/2075-163X/6/2/26/xml |
| article pdf uploaded. | 6 April 2016 12:00 CEST | Updated version of record | https://www.mdpi.com/2075-163X/6/2/26/pdf |
| article html file updated | 29 March 2016 12:29 CEST | Original file | - |
| article pdf uploaded. | 29 March 2016 12:28 CEST | Version of Record | https://www.mdpi.com/2075-163X/6/2/26/pdf-vor |
