| article html file updated | 7 February 2020 09:08 CET | Update | https://www.mdpi.com/1999-4915/8/5/140 |
| article html file updated | 5 May 2019 14:58 CEST | Update | - |
| article html file updated | 27 March 2019 05:29 CET | Update | - |
| article html file updated | 30 May 2016 10:13 CEST | Update | - |
| article html file updated | 30 May 2016 07:46 CEST | Update | - |
| article html file updated | 23 May 2016 13:57 CEST | Original file | - |
| article xml uploaded. | 23 May 2016 13:55 CEST | Original file | https://www.mdpi.com/1999-4915/8/5/140/xml |
| article pdf uploaded. | 23 May 2016 13:55 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/5/140/pdf |
