| article html file updated | 6 February 2020 09:14 CET | Update | https://www.mdpi.com/1422-0067/15/5/8553 |
| article html file updated | 7 May 2019 14:34 CEST | Update | - |
| article html file updated | 21 March 2019 17:01 CET | Update | - |
| article html file updated | 20 August 2015 06:49 CEST | Update | - |
| article html file updated | 16 June 2014 10:04 CEST | Original file | - |
| article xml file uploaded | 16 June 2014 10:04 CEST | Original file | https://www.mdpi.com/1422-0067/15/5/8553/xml |
| article pdf uploaded. | 14 May 2014 12:02 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/5/8553/pdf |
