| article html file updated | 8 February 2020 05:08 CET | Update | https://www.mdpi.com/2304-6732/4/2/36 |
| article html file updated | 24 September 2019 16:08 CEST | Update | - |
| article html file updated | 3 May 2019 23:22 CEST | Update | - |
| article html file updated | 29 June 2017 12:55 CEST | Update | - |
| article html file updated | 23 May 2017 03:45 CEST | Update | - |
| article html file updated | 5 May 2017 12:29 CEST | Original file | - |
| article xml uploaded. | 5 May 2017 12:28 CEST | Original file | https://www.mdpi.com/2304-6732/4/2/36/xml |
| article pdf uploaded. | 5 May 2017 12:28 CEST | Version of Record | https://www.mdpi.com/2304-6732/4/2/36/pdf |
