| article html file updated | 9 February 2020 16:14 CET | Update | https://www.mdpi.com/2226-4310/5/2/53 |
| article html file updated | 3 October 2019 05:15 CEST | Update | - |
| article html file updated | 30 April 2019 22:46 CEST | Update | - |
| article html file updated | 16 April 2019 23:18 CEST | Update | - |
| article html file updated | 29 March 2019 21:26 CET | Update | - |
| article html file updated | 27 June 2018 19:36 CEST | Update | - |
| article html file updated | 3 May 2018 12:46 CEST | Original file | - |
| article pdf uploaded. | 3 May 2018 12:45 CEST | Version of Record | https://www.mdpi.com/2226-4310/5/2/53/pdf |
| article xml uploaded. | 3 May 2018 12:45 CEST | Update | https://www.mdpi.com/2226-4310/5/2/53/xml |
| article xml file uploaded | 3 May 2018 12:45 CEST | Original file | - |
