| article html file updated | 9 February 2020 20:32 CET | Update | https://www.mdpi.com/2227-7102/8/2/84 |
| article html file updated | 4 October 2019 08:28 CEST | Update | N/A |
| article html file updated | 30 April 2019 13:11 CEST | Update | N/A |
| article html file updated | 16 April 2019 13:49 CEST | Update | N/A |
| article html file updated | 16 April 2019 08:11 CEST | Update | N/A |
| article html file updated | 30 March 2019 08:21 CET | Update | N/A |
| article html file updated | 27 June 2018 09:23 CEST | Update | N/A |
| article html file updated | 6 June 2018 17:01 CEST | Original file | N/A |
| article pdf uploaded. | 6 June 2018 17:00 CEST | Version of Record | https://www.mdpi.com/2227-7102/8/2/84/pdf |
| article xml uploaded. | 6 June 2018 17:00 CEST | Update | https://www.mdpi.com/2227-7102/8/2/84/xml |
| article xml file uploaded | 6 June 2018 17:00 CEST | Original file | N/A |
