| article html file updated | 7 February 2020 08:23 CET | Update | https://www.mdpi.com/2073-8994/8/5/33 |
| article html file updated | 5 May 2019 16:24 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:08 CET | Update | N/A |
| article html file updated | 27 May 2016 11:55 CEST | Update | N/A |
| article html file updated | 9 May 2016 11:53 CEST | Original file | N/A |
| article xml uploaded. | 9 May 2016 11:52 CEST | Original file | https://www.mdpi.com/2073-8994/8/5/33/xml |
| article pdf uploaded. | 9 May 2016 11:52 CEST | Version of Record | https://www.mdpi.com/2073-8994/8/5/33/pdf |
