| article html file updated | 8 February 2020 09:56 CET | Update | https://www.mdpi.com/1996-1073/10/7/913 |
| article html file updated | 25 September 2019 17:20 CEST | Update | N/A |
| article html file updated | 3 May 2019 14:21 CEST | Update | N/A |
| article html file updated | 31 July 2017 06:59 CEST | Update | N/A |
| article html file updated | 3 July 2017 17:33 CEST | Original file | N/A |
| article xml uploaded. | 3 July 2017 17:31 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/913/xml |
| article pdf uploaded. | 3 July 2017 17:31 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/7/913/pdf |
