| article html file updated | 6 February 2020 09:23 CET | Update | https://www.mdpi.com/2072-6643/6/5/2023 |
| article html file updated | 7 May 2019 14:18 CEST | Update | - |
| article html file updated | 21 March 2019 17:20 CET | Update | - |
| article html file updated | 20 August 2015 07:42 CEST | Update | - |
| article html file updated | 5 June 2014 08:58 CEST | Original file | - |
| article xml file uploaded | 5 June 2014 08:58 CEST | Original file | https://www.mdpi.com/2072-6643/6/5/2023/xml |
| article pdf uploaded. | 21 May 2014 10:44 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/5/2023/pdf |
