| article html file updated | 8 February 2020 00:50 CET | Update | https://www.mdpi.com/2077-0375/7/1/14 |
| article html file updated | 23 September 2019 16:15 CEST | Update | N/A |
| article html file updated | 4 May 2019 08:06 CEST | Update | N/A |
| article html file updated | 30 March 2017 10:59 CEST | Update | N/A |
| article html file updated | 6 March 2017 09:20 CET | Original file | N/A |
| article xml uploaded. | 6 March 2017 09:18 CET | Original file | https://www.mdpi.com/2077-0375/7/1/14/xml |
| article pdf uploaded. | 6 March 2017 09:18 CET | Version of Record | https://www.mdpi.com/2077-0375/7/1/14/pdf |
