| article html file updated | 6 February 2020 16:22 CET | Update | https://www.mdpi.com/1999-4915/7/3/969 |
| article html file updated | 7 May 2019 00:14 CEST | Update | N/A |
| article html file updated | 25 March 2019 22:32 CET | Update | N/A |
| article html file updated | 21 August 2015 08:19 CEST | Update | N/A |
| article html file updated | 31 March 2015 12:41 CEST | Original file | N/A |
| article xml file uploaded | 31 March 2015 12:41 CEST | Original file | https://www.mdpi.com/1999-4915/7/3/969/xml |
| article supplementary file uploaded. | 5 March 2015 14:05 CET | - | https://www.mdpi.com/1999-4915/7/3/969#supplementary |
| article pdf uploaded. | 5 March 2015 14:05 CET | Version of Record | https://www.mdpi.com/1999-4915/7/3/969/pdf |