| article html file updated | 6 February 2020 07:02 CET | Update | https://www.mdpi.com/2077-0383/3/1/167 |
| article html file updated | 7 May 2019 19:06 CEST | Update | - |
| article html file updated | 21 March 2019 11:49 CET | Update | - |
| article html file updated | 19 August 2015 19:18 CEST | Update | - |
| article html file updated | 16 December 2014 04:50 CET | Update | - |
| article xml file uploaded | 16 December 2014 04:50 CET | Update | https://www.mdpi.com/2077-0383/3/1/167/xml |
| article html file updated | 10 December 2014 09:53 CET | Update | - |
| article xml file uploaded | 10 December 2014 09:53 CET | Update | - |
| article html file updated | 24 June 2014 12:12 CEST | Original file | - |
| article xml file uploaded | 24 June 2014 12:12 CEST | Original file | - |
| article pdf uploaded. | 29 January 2014 09:29 CET | Updated version of record | https://www.mdpi.com/2077-0383/3/1/167/pdf |
| article pdf uploaded. | 28 January 2014 15:48 CET | Version of Record | https://www.mdpi.com/2077-0383/3/1/167/pdf-vor |
