| article html file updated | 7 February 2020 11:36 CET | Update | https://www.mdpi.com/2073-8994/8/7/61 |
| article html file updated | 5 May 2019 10:20 CEST | Update | N/A |
| article html file updated | 27 March 2019 10:05 CET | Update | N/A |
| article html file updated | 28 July 2016 09:16 CEST | Update | N/A |
| article html file updated | 13 July 2016 08:05 CEST | Original file | N/A |
| article xml uploaded. | 13 July 2016 08:03 CEST | Original file | https://www.mdpi.com/2073-8994/8/7/61/xml |
| article pdf uploaded. | 13 July 2016 08:03 CEST | Version of Record | https://www.mdpi.com/2073-8994/8/7/61/pdf |
