| article html file updated | 6 February 2020 07:57 CET | Update | https://www.mdpi.com/2079-4983/5/1/27 |
| article html file updated | 20 September 2019 06:36 CEST | Update | - |
| article html file updated | 7 May 2019 17:14 CEST | Update | - |
| article html file updated | 21 March 2019 13:58 CET | Update | - |
| article html file updated | 29 June 2017 13:17 CEST | Update | - |
| article html file updated | 19 August 2015 23:56 CEST | Update | - |
| article html file updated | 28 April 2014 10:51 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 10:51 CEST | Original file | https://www.mdpi.com/2079-4983/5/1/27/xml |
| article pdf uploaded. | 18 March 2014 14:33 CET | Updated version of record | https://www.mdpi.com/2079-4983/5/1/27/pdf |
| article pdf uploaded. | 17 March 2014 14:09 CET | Version of Record | https://www.mdpi.com/2079-4983/5/1/27/pdf-vor |
