| article html file updated | 6 February 2020 23:09 CET | Update | https://www.mdpi.com/2076-0760/4/3/879 |
| article html file updated | 21 September 2019 03:58 CEST | Update | - |
| article html file updated | 6 May 2019 10:36 CEST | Update | - |
| article html file updated | 26 March 2019 11:25 CET | Update | - |
| article html file updated | 26 October 2015 08:43 CET | Original file | - |
| article xml file uploaded | 26 October 2015 08:43 CET | Original file | https://www.mdpi.com/2076-0760/4/3/879/xml |
| article pdf uploaded. | 24 September 2015 07:37 CEST | Updated version of record | https://www.mdpi.com/2076-0760/4/3/879/pdf |
| article pdf uploaded. | 23 September 2015 17:20 CEST | Version of Record | https://www.mdpi.com/2076-0760/4/3/879/pdf-vor |
