| article html file updated | 7 February 2020 14:29 CET | Update | https://www.mdpi.com/2312-7481/2/3/32 |
| article html file updated | 5 May 2019 05:00 CEST | Update | N/A |
| article html file updated | 29 September 2016 12:08 CEST | Update | N/A |
| article html file updated | 6 September 2016 09:32 CEST | Original file | N/A |
| article xml uploaded. | 6 September 2016 09:31 CEST | Update | https://www.mdpi.com/2312-7481/2/3/32/xml |
| article xml uploaded. | 6 September 2016 09:31 CEST | Original file | N/A |
| article pdf uploaded. | 6 September 2016 09:31 CEST | Version of Record | https://www.mdpi.com/2312-7481/2/3/32/pdf |
