| article html file updated | 6 February 2020 16:10 CET | Update | https://www.mdpi.com/1999-4915/7/3/899 |
| article html file updated | 7 May 2019 00:35 CEST | Update | N/A |
| article html file updated | 25 March 2019 22:09 CET | Update | N/A |
| article html file updated | 21 August 2015 08:00 CEST | Update | N/A |
| article html file updated | 31 March 2015 12:40 CEST | Original file | N/A |
| article xml file uploaded | 31 March 2015 12:40 CEST | Original file | https://www.mdpi.com/1999-4915/7/3/899/xml |
| article pdf uploaded. | 26 February 2015 13:57 CET | Version of Record | https://www.mdpi.com/1999-4915/7/3/899/pdf |
