| article html file updated | 6 February 2020 07:29 CET | Update | https://www.mdpi.com/2227-9717/2/1/200 |
| article html file updated | 7 May 2019 18:12 CEST | Update | - |
| article html file updated | 21 March 2019 12:53 CET | Update | - |
| article html file updated | 19 August 2015 21:31 CEST | Update | - |
| article html file updated | 24 June 2014 12:23 CEST | Original file | - |
| article xml file uploaded | 24 June 2014 12:23 CEST | Original file | https://www.mdpi.com/2227-9717/2/1/200/xml |
| article pdf uploaded. | 25 February 2014 08:45 CET | Updated version of record | https://www.mdpi.com/2227-9717/2/1/200/pdf |
| article pdf uploaded. | 24 February 2014 15:18 CET | Updated version of record | https://www.mdpi.com/2227-9717/2/1/200/pdf-vor |
| article pdf uploaded. | 24 February 2014 13:36 CET | Version of Record | https://www.mdpi.com/2227-9717/2/1/200/pdf-vor |
