| article html file updated | 8 February 2020 00:45 CET | Update | https://www.mdpi.com/2079-6439/5/1/12 |
| article html file updated | 23 September 2019 15:42 CEST | Update | N/A |
| article html file updated | 4 May 2019 08:18 CEST | Update | N/A |
| article html file updated | 30 March 2017 03:41 CEST | Update | N/A |
| article html file updated | 4 March 2017 05:28 CET | Original file | N/A |
| article xml uploaded. | 4 March 2017 05:26 CET | Update | https://www.mdpi.com/2079-6439/5/1/12/xml |
| article pdf uploaded. | 4 March 2017 05:26 CET | Version of Record | https://www.mdpi.com/2079-6439/5/1/12/pdf |
