| article html file updated | 10 February 2020 19:59 CET | Update | https://www.mdpi.com/2226-4310/5/4/116 |
| article html file updated | 10 October 2019 02:31 CEST | Update | N/A |
| article html file updated | 28 April 2019 11:26 CEST | Update | N/A |
| article html file updated | 14 April 2019 06:51 CEST | Update | N/A |
| article html file updated | 1 April 2019 17:31 CEST | Update | N/A |
| article html file updated | 26 December 2018 08:42 CET | Update | N/A |
| article html file updated | 6 November 2018 15:17 CET | Original file | N/A |
| article pdf uploaded. | 6 November 2018 15:16 CET | Version of Record | https://www.mdpi.com/2226-4310/5/4/116/pdf |
| article xml uploaded. | 6 November 2018 15:16 CET | Update | https://www.mdpi.com/2226-4310/5/4/116/xml |
| article xml file uploaded | 6 November 2018 15:16 CET | Original file | N/A |