| article html file updated | 9 February 2020 19:11 CET | Update | https://www.mdpi.com/2227-7080/6/2/53 |
| article html file updated | 4 October 2019 00:01 CEST | Update | - |
| article html file updated | 30 April 2019 16:22 CEST | Update | - |
| article html file updated | 16 April 2019 16:50 CEST | Update | - |
| article html file updated | 30 March 2019 04:56 CET | Update | - |
| article html file updated | 26 June 2018 05:12 CEST | Update | - |
| article html file updated | 26 May 2018 12:02 CEST | Original file | - |
| article pdf uploaded. | 26 May 2018 12:00 CEST | Version of Record | https://www.mdpi.com/2227-7080/6/2/53/pdf |
| article xml uploaded. | 26 May 2018 12:00 CEST | Update | https://www.mdpi.com/2227-7080/6/2/53/xml |
| article xml file uploaded | 26 May 2018 12:00 CEST | Original file | - |
