| article html file updated | 6 February 2020 00:59 CET | Update | https://www.mdpi.com/1424-8220/13/3/3527 |
| article html file updated | 8 January 2020 21:23 CET | Update | N/A |
| article html file updated | 19 September 2019 18:49 CEST | Update | N/A |
| article html file updated | 8 May 2019 07:24 CEST | Update | N/A |
| article html file updated | 20 March 2019 19:45 CET | Update | N/A |
| article html file updated | 17 June 2015 07:27 CEST | Update | N/A |
| article html file updated | 21 May 2013 09:37 CEST | Update | N/A |
| article xml file uploaded | 21 May 2013 09:37 CEST | Update | https://www.mdpi.com/1424-8220/13/3/3527/xml |
| article html file updated | 23 April 2013 14:06 CEST | Update | N/A |
| article xml file uploaded | 23 April 2013 14:06 CEST | Update | N/A |
| article html file updated | 23 April 2013 12:01 CEST | Original file | N/A |
| article xml file uploaded | 23 April 2013 12:01 CEST | Original file | N/A |
| article pdf uploaded. | 13 March 2013 12:03 CET | Version of Record | https://www.mdpi.com/1424-8220/13/3/3527/pdf |