| article html file updated | 7 February 2020 07:07 CET | Update | https://www.mdpi.com/2311-5521/1/2/11 |
| article html file updated | 5 May 2019 18:56 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:35 CET | Update | N/A |
| article html file updated | 27 October 2017 10:20 CEST | Update | N/A |
| article html file updated | 4 May 2016 07:40 CEST | Update | N/A |
| article xml uploaded. | 4 May 2016 07:39 CEST | Update | https://www.mdpi.com/2311-5521/1/2/11/xml |
| article pdf uploaded. | 4 May 2016 07:39 CEST | Updated version of record | https://www.mdpi.com/2311-5521/1/2/11/pdf |
| article html file updated | 12 April 2016 08:18 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2016 08:16 CEST | Version of Record | https://www.mdpi.com/2311-5521/1/2/11/pdf-vor |
