| article html file updated | 8 February 2020 04:50 CET | Update | https://www.mdpi.com/1996-1073/10/5/608 |
| article html file updated | 24 September 2019 14:40 CEST | Update | N/A |
| article html file updated | 3 May 2019 23:54 CEST | Update | N/A |
| article html file updated | 27 May 2017 03:04 CEST | Update | N/A |
| article html file updated | 23 May 2017 03:29 CEST | Update | N/A |
| article html file updated | 1 May 2017 10:47 CEST | Original file | N/A |
| article xml uploaded. | 1 May 2017 10:46 CEST | Update | https://www.mdpi.com/1996-1073/10/5/608/xml |
| article pdf uploaded. | 1 May 2017 10:46 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/608/pdf |
