| article html file updated | 9 February 2020 01:26 CET | Update | https://www.mdpi.com/2079-6412/8/1/13 |
| article html file updated | 29 September 2019 13:02 CEST | Update | N/A |
| article html file updated | 2 May 2019 05:38 CEST | Update | N/A |
| article html file updated | 18 April 2019 03:38 CEST | Update | N/A |
| article html file updated | 28 March 2019 11:45 CET | Update | N/A |
| article html file updated | 1 February 2018 10:23 CET | Update | N/A |
| article html file updated | 28 December 2017 13:41 CET | Original file | N/A |
| article xml uploaded. | 28 December 2017 13:40 CET | Original file | https://www.mdpi.com/2079-6412/8/1/13/xml |
| article pdf uploaded. | 28 December 2017 13:40 CET | Version of Record | https://www.mdpi.com/2079-6412/8/1/13/pdf |
