| article html file updated | 6 February 2020 15:11 CET | Update | https://www.mdpi.com/2073-445X/4/1/22 |
| article html file updated | 7 May 2019 02:27 CEST | Update | - |
| article html file updated | 25 March 2019 20:31 CET | Update | - |
| article html file updated | 21 August 2015 05:52 CEST | Update | - |
| article html file updated | 15 February 2015 10:06 CET | Update | - |
| article xml file uploaded | 15 February 2015 10:06 CET | Update | https://www.mdpi.com/2073-445X/4/1/22/xml |
| article html file updated | 6 February 2015 02:26 CET | Update | - |
| article xml file uploaded | 6 February 2015 02:26 CET | Update | - |
| article html file updated | 29 January 2015 07:38 CET | Original file | - |
| article xml file uploaded | 29 January 2015 07:38 CET | Original file | - |
| article pdf uploaded. | 19 January 2015 08:01 CET | Updated version of record | https://www.mdpi.com/2073-445X/4/1/22/pdf |
| article pdf uploaded. | 15 January 2015 10:44 CET | Updated version of record | https://www.mdpi.com/2073-445X/4/1/22/pdf-vor |
| article pdf uploaded. | 14 January 2015 14:52 CET | Version of Record | https://www.mdpi.com/2073-445X/4/1/22/pdf-vor |
