| article html file updated | 7 February 2020 08:48 CET | Update | https://www.mdpi.com/1996-1073/9/5/375 |
| article html file updated | 5 May 2019 15:37 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:52 CET | Update | N/A |
| article html file updated | 26 May 2016 13:08 CEST | Update | N/A |
| article html file updated | 17 May 2016 09:51 CEST | Original file | N/A |
| article xml uploaded. | 17 May 2016 09:49 CEST | Update | https://www.mdpi.com/1996-1073/9/5/375/xml |
| article pdf uploaded. | 17 May 2016 09:49 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/5/375/pdf |
