| article html file updated | 9 February 2020 05:43 CET | Update | https://www.mdpi.com/2079-3197/6/1/14 |
| article html file updated | 30 September 2019 13:57 CEST | Update | N/A |
| article html file updated | 1 May 2019 20:30 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:32 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:21 CET | Update | N/A |
| article html file updated | 26 March 2018 16:01 CEST | Update | N/A |
| article html file updated | 6 February 2018 16:59 CET | Original file | N/A |
| article xml uploaded. | 6 February 2018 16:57 CET | Original file | https://www.mdpi.com/2079-3197/6/1/14/xml |
| article pdf uploaded. | 6 February 2018 16:57 CET | Version of Record | https://www.mdpi.com/2079-3197/6/1/14/pdf |
