| article html file updated | 6 February 2020 00:53 CET | Update | https://www.mdpi.com/2218-273X/3/1/242 |
| article html file updated | 19 September 2019 18:38 CEST | Update | - |
| article html file updated | 8 May 2019 07:36 CEST | Update | - |
| article html file updated | 20 March 2019 19:29 CET | Update | - |
| article html file updated | 21 March 2018 08:31 CET | Update | - |
| article html file updated | 21 March 2018 07:02 CET | Update | - |
| article xml uploaded. | 21 March 2018 07:01 CET | Update | https://www.mdpi.com/2218-273X/3/1/242/xml |
| article html file updated | 17 June 2015 07:19 CEST | Update | - |
| article html file updated | 28 April 2014 10:33 CEST | Update | - |
| article xml file uploaded | 28 April 2014 10:32 CEST | Update | - |
| article pdf uploaded. | 8 March 2013 11:03 CET | Updated version of record | https://www.mdpi.com/2218-273X/3/1/242/pdf |
| article html file updated | 8 March 2013 09:52 CET | Original file | - |
| article pdf uploaded. | 7 March 2013 16:01 CET | Version of Record | https://www.mdpi.com/2218-273X/3/1/242/pdf-vor |
