| article html file updated | 6 February 2020 19:21 CET | Update | https://www.mdpi.com/2075-4450/6/2/508 |
| article html file updated | 6 May 2019 18:28 CEST | Update | N/A |
| article html file updated | 26 March 2019 04:07 CET | Update | N/A |
| article html file updated | 21 August 2015 13:09 CEST | Update | N/A |
| article html file updated | 3 July 2015 12:26 CEST | Update | N/A |
| article xml file uploaded | 3 July 2015 12:26 CEST | Update | https://www.mdpi.com/2075-4450/6/2/508/xml |
| article html file updated | 5 June 2015 03:57 CEST | Original file | N/A |
| article xml file uploaded | 5 June 2015 03:57 CEST | Original file | N/A |
| article pdf uploaded. | 4 June 2015 14:04 CEST | Updated version of record | https://www.mdpi.com/2075-4450/6/2/508/pdf |
| article pdf uploaded. | 3 June 2015 15:24 CEST | Version of Record | https://www.mdpi.com/2075-4450/6/2/508/pdf-vor |
