| article html file updated | 8 February 2020 14:43 CET | Update | https://www.mdpi.com/2226-4787/5/3/49 |
| article html file updated | 26 September 2019 19:29 CEST | Update | N/A |
| article html file updated | 3 May 2019 04:43 CEST | Update | N/A |
| article html file updated | 30 September 2017 15:41 CEST | Update | N/A |
| article html file updated | 30 August 2017 02:51 CEST | Original file | N/A |
| article xml uploaded. | 30 August 2017 02:49 CEST | Original file | https://www.mdpi.com/2226-4787/5/3/49/xml |
| article pdf uploaded. | 30 August 2017 02:49 CEST | Updated version of record | https://www.mdpi.com/2226-4787/5/3/49/pdf |
| article pdf uploaded. | 28 August 2017 15:49 CEST | Version of Record | https://www.mdpi.com/2226-4787/5/3/49/pdf-vor |
