| article html file updated | 6 February 2020 06:41 CET | Update | https://www.mdpi.com/2073-4433/5/1/45 |
| article html file updated | 7 May 2019 19:54 CEST | Update | N/A |
| article html file updated | 21 March 2019 10:53 CET | Update | N/A |
| article html file updated | 19 August 2015 17:03 CEST | Update | N/A |
| article supplementary file uploaded. | 10 January 2014 14:31 CET | - | https://www.mdpi.com/2073-4433/5/1/45#supplementary |
| article html file updated | 10 January 2014 14:31 CET | Original file | N/A |
| article xml uploaded. | 10 January 2014 14:31 CET | Original file | https://www.mdpi.com/2073-4433/5/1/45/xml |
| article pdf uploaded. | 10 January 2014 14:31 CET | Updated version of record | https://www.mdpi.com/2073-4433/5/1/45/pdf |
| article pdf uploaded. | 10 January 2014 08:37 CET | Version of Record | https://www.mdpi.com/2073-4433/5/1/45/pdf-vor |
