| article html file updated | 8 February 2020 05:43 CET | Update | https://www.mdpi.com/2079-6439/5/2/18 |
| article html file updated | 24 September 2019 19:12 CEST | Update | N/A |
| article html file updated | 3 May 2019 22:19 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:07 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:30 CEST | Update | N/A |
| article html file updated | 23 May 2017 04:08 CEST | Update | N/A |
| article html file updated | 12 May 2017 12:56 CEST | Original file | N/A |
| article xml uploaded. | 12 May 2017 12:55 CEST | Original file | https://www.mdpi.com/2079-6439/5/2/18/xml |
| article pdf uploaded. | 12 May 2017 12:55 CEST | Version of Record | https://www.mdpi.com/2079-6439/5/2/18/pdf |
