| article html file updated | 9 February 2020 16:11 CET | Update | https://www.mdpi.com/2226-4787/6/2/41 |
| article html file updated | 3 October 2019 05:01 CEST | Update | N/A |
| article html file updated | 30 April 2019 22:51 CEST | Update | N/A |
| article html file updated | 16 April 2019 23:23 CEST | Update | N/A |
| article html file updated | 29 March 2019 21:20 CET | Update | N/A |
| article html file updated | 27 June 2018 09:26 CEST | Update | N/A |
| article html file updated | 3 May 2018 10:45 CEST | Original file | N/A |
| article pdf uploaded. | 3 May 2018 10:44 CEST | Version of Record | https://www.mdpi.com/2226-4787/6/2/41/pdf |
| article xml uploaded. | 3 May 2018 10:44 CEST | Update | https://www.mdpi.com/2226-4787/6/2/41/xml |
| article xml file uploaded | 3 May 2018 10:44 CEST | Original file | N/A |
