| article html file updated | 8 February 2020 08:23 CET | Update | https://www.mdpi.com/2079-6439/5/2/23 |
| article html file updated | 25 September 2019 08:56 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:17 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:08 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:31 CEST | Update | N/A |
| article html file updated | 15 June 2017 14:14 CEST | Original file | N/A |
| article xml uploaded. | 15 June 2017 14:13 CEST | Original file | https://www.mdpi.com/2079-6439/5/2/23/xml |
| article pdf uploaded. | 15 June 2017 14:13 CEST | Version of Record | https://www.mdpi.com/2079-6439/5/2/23/pdf |
