| article html file updated | 6 February 2020 08:47 CET | Update | https://www.mdpi.com/2079-9284/1/2/94 |
| article html file updated | 20 September 2019 07:43 CEST | Update | N/A |
| article html file updated | 7 May 2019 15:30 CEST | Update | N/A |
| article html file updated | 21 March 2019 15:59 CET | Update | N/A |
| article html file updated | 20 August 2015 04:16 CEST | Update | N/A |
| article html file updated | 24 June 2014 12:05 CEST | Original file | N/A |
| article xml file uploaded | 24 June 2014 12:05 CEST | Original file | https://www.mdpi.com/2079-9284/1/2/94/xml |
| article pdf uploaded. | 23 April 2014 11:05 CEST | Updated version of record | https://www.mdpi.com/2079-9284/1/2/94/pdf |
| article pdf uploaded. | 22 April 2014 15:42 CEST | Version of Record | https://www.mdpi.com/2079-9284/1/2/94/pdf-vor |
