| article html file updated | 9 February 2020 11:26 CET | Update | https://www.mdpi.com/2226-4310/5/2/33 |
| article html file updated | 2 October 2019 00:24 CEST | Update | - |
| article html file updated | 1 May 2019 08:21 CEST | Update | - |
| article html file updated | 17 April 2019 08:17 CEST | Update | - |
| article html file updated | 29 March 2019 10:12 CET | Update | - |
| article html file updated | 27 June 2018 19:28 CEST | Update | - |
| article html file updated | 27 March 2018 12:12 CEST | Update | - |
| article xml uploaded. | 27 March 2018 12:11 CEST | Update | https://www.mdpi.com/2226-4310/5/2/33/xml |
| article pdf uploaded. | 27 March 2018 12:11 CEST | Updated version of record | https://www.mdpi.com/2226-4310/5/2/33/pdf |
| article html file updated | 27 March 2018 12:08 CEST | Original file | - |
| article pdf uploaded. | 27 March 2018 12:06 CEST | Version of Record | https://www.mdpi.com/2226-4310/5/2/33/pdf-vor |
