| article html file updated | 7 February 2020 08:44 CET | Update | https://www.mdpi.com/1996-1073/9/5/369 |
| article html file updated | 5 May 2019 15:44 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:46 CET | Update | N/A |
| article html file updated | 26 May 2016 13:04 CEST | Update | N/A |
| article html file updated | 16 May 2016 08:38 CEST | Original file | N/A |
| article xml uploaded. | 16 May 2016 08:36 CEST | Original file | https://www.mdpi.com/1996-1073/9/5/369/xml |
| article pdf uploaded. | 16 May 2016 08:36 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/5/369/pdf |
