| article html file updated | 6 February 2020 08:00 CET | Update | https://www.mdpi.com/1422-0067/15/3/4903 |
| article html file updated | 7 May 2019 17:08 CEST | Update | - |
| article html file updated | 21 March 2019 14:06 CET | Update | - |
| article html file updated | 20 August 2015 00:15 CEST | Update | - |
| article html file updated | 8 April 2014 11:04 CEST | Original file | - |
| article xml file uploaded | 8 April 2014 11:04 CEST | Original file | https://www.mdpi.com/1422-0067/15/3/4903/xml |
| article pdf uploaded. | 19 March 2014 10:35 CET | Version of Record | https://www.mdpi.com/1422-0067/15/3/4903/pdf |
