| article html file updated | 6 February 2020 10:55 CET | Update | https://www.mdpi.com/2305-6304/2/3/377 |
| article html file updated | 7 May 2019 11:12 CEST | Update | N/A |
| article html file updated | 21 March 2019 21:30 CET | Update | N/A |
| article html file updated | 20 August 2015 13:27 CEST | Update | N/A |
| article html file updated | 26 September 2014 09:54 CEST | Original file | N/A |
| article xml file uploaded | 26 September 2014 09:54 CEST | Original file | https://www.mdpi.com/2305-6304/2/3/377/xml |
| article pdf uploaded. | 5 August 2014 14:07 CEST | Updated version of record | https://www.mdpi.com/2305-6304/2/3/377/pdf |
| article pdf uploaded. | 23 July 2014 15:30 CEST | Updated version of record | https://www.mdpi.com/2305-6304/2/3/377/pdf-vor |
| article pdf uploaded. | 22 July 2014 14:00 CEST | Version of Record | https://www.mdpi.com/2305-6304/2/3/377/pdf-vor |