| article html file updated | 9 February 2020 20:42 CET | Update | https://www.mdpi.com/2226-4310/5/2/60 |
| article html file updated | 4 October 2019 09:29 CEST | Update | - |
| article html file updated | 30 April 2019 12:48 CEST | Update | - |
| article html file updated | 16 April 2019 13:12 CEST | Update | - |
| article html file updated | 16 April 2019 07:50 CEST | Update | - |
| article html file updated | 30 March 2019 08:48 CET | Update | - |
| article html file updated | 27 June 2018 19:39 CEST | Update | - |
| article html file updated | 8 June 2018 14:54 CEST | Update | - |
| article xml uploaded. | 8 June 2018 14:53 CEST | Update | https://www.mdpi.com/2226-4310/5/2/60/xml |
| article pdf uploaded. | 8 June 2018 14:53 CEST | Updated version of record | https://www.mdpi.com/2226-4310/5/2/60/pdf |
| article html file updated | 7 June 2018 17:54 CEST | Original file | - |
| article pdf uploaded. | 7 June 2018 17:52 CEST | Version of Record | https://www.mdpi.com/2226-4310/5/2/60/pdf-vor |
| article xml file uploaded | 7 June 2018 17:52 CEST | Original file | - |
