| article html file updated | 6 February 2020 07:58 CET | Update | https://www.mdpi.com/1422-0067/15/3/4714 |
| article html file updated | 7 May 2019 17:12 CEST | Update | N/A |
| article html file updated | 21 March 2019 14:01 CET | Update | N/A |
| article html file updated | 20 August 2015 00:02 CEST | Update | N/A |
| article html file updated | 8 April 2014 10:59 CEST | Original file | N/A |
| article xml file uploaded | 8 April 2014 10:59 CEST | Original file | https://www.mdpi.com/1422-0067/15/3/4714/xml |
| article pdf uploaded. | 18 March 2014 08:39 CET | Version of Record | https://www.mdpi.com/1422-0067/15/3/4714/pdf |
