| article html file updated | 6 February 2020 09:05 CET | Update | https://www.mdpi.com/1422-0067/15/5/7987 |
| article html file updated | 7 May 2019 14:53 CEST | Update | - |
| article html file updated | 21 March 2019 16:40 CET | Update | - |
| article html file updated | 20 August 2015 06:02 CEST | Update | - |
| article html file updated | 16 June 2014 09:46 CEST | Original file | - |
| article xml file uploaded | 16 June 2014 09:45 CEST | Original file | https://www.mdpi.com/1422-0067/15/5/7987/xml |
| article supplementary file uploaded. | 7 May 2014 09:54 CEST | - | https://www.mdpi.com/1422-0067/15/5/7987#supplementary |
| article pdf uploaded. | 7 May 2014 09:54 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/5/7987/pdf |