| article html file updated | 6 February 2020 21:25 CET | Update | https://www.mdpi.com/2071-1050/7/8/10521 |
| article html file updated | 6 May 2019 14:16 CEST | Update | N/A |
| article html file updated | 26 March 2019 08:03 CET | Update | N/A |
| article html file updated | 3 September 2015 03:56 CEST | Update | N/A |
| article xml file uploaded | 3 September 2015 03:56 CEST | Original file | https://www.mdpi.com/2071-1050/7/8/10521/xml |
| article html file updated | 21 August 2015 15:24 CEST | Original file | N/A |
| article pdf uploaded. | 5 August 2015 11:47 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/8/10521/pdf |
