| article html file updated | 7 February 2020 08:17 CET | Update | https://www.mdpi.com/1996-1073/9/5/346 |
| article html file updated | 5 May 2019 16:36 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:56 CET | Update | N/A |
| article html file updated | 26 May 2016 12:51 CEST | Update | N/A |
| article html file updated | 6 May 2016 12:59 CEST | Original file | N/A |
| article xml uploaded. | 6 May 2016 12:58 CEST | Update | https://www.mdpi.com/1996-1073/9/5/346/xml |
| article pdf uploaded. | 6 May 2016 12:58 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/5/346/pdf |