| article html file updated | 10 February 2020 11:45 CET | Update | https://www.mdpi.com/2227-9040/6/3/42 |
| article html file updated | 8 October 2019 01:37 CEST | Update | N/A |
| article html file updated | 29 April 2019 04:06 CEST | Update | N/A |
| article html file updated | 14 April 2019 23:35 CEST | Update | N/A |
| article html file updated | 31 March 2019 20:36 CEST | Update | N/A |
| article html file updated | 25 September 2018 12:29 CEST | Update | N/A |
| article html file updated | 19 September 2018 11:59 CEST | Original file | N/A |
| article pdf uploaded. | 19 September 2018 11:57 CEST | Version of Record | https://www.mdpi.com/2227-9040/6/3/42/pdf |
| article xml uploaded. | 19 September 2018 11:57 CEST | Update | https://www.mdpi.com/2227-9040/6/3/42/xml |
| article xml file uploaded | 19 September 2018 11:57 CEST | Original file | N/A |
