| article html file updated | 6 February 2020 09:52 CET | Update | https://www.mdpi.com/2078-2489/5/2/357 |
| article html file updated | 7 May 2019 13:18 CEST | Update | N/A |
| article html file updated | 21 March 2019 18:37 CET | Update | N/A |
| article html file updated | 20 August 2015 09:36 CEST | Update | N/A |
| article html file updated | 11 September 2014 12:14 CEST | Original file | N/A |
| article xml file uploaded | 11 September 2014 12:14 CEST | Original file | https://www.mdpi.com/2078-2489/5/2/357/xml |
| article pdf uploaded. | 24 June 2014 10:38 CEST | Updated version of record | https://www.mdpi.com/2078-2489/5/2/357/pdf |
| article pdf uploaded. | 11 June 2014 14:52 CEST | Version of Record | https://www.mdpi.com/2078-2489/5/2/357/pdf-vor |