| article html file updated | 9 February 2020 17:54 CET | Update | https://www.mdpi.com/2227-7102/8/2/71 |
| article html file updated | 3 October 2019 16:13 CEST | Update | - |
| article html file updated | 30 April 2019 19:09 CEST | Update | - |
| article html file updated | 16 April 2019 19:37 CEST | Update | - |
| article html file updated | 30 March 2019 01:35 CET | Update | - |
| article html file updated | 27 June 2018 09:17 CEST | Update | - |
| article html file updated | 28 May 2018 08:05 CEST | Update | - |
| article xml uploaded. | 28 May 2018 08:03 CEST | Update | https://www.mdpi.com/2227-7102/8/2/71/xml |
| article pdf uploaded. | 28 May 2018 08:03 CEST | Updated version of record | https://www.mdpi.com/2227-7102/8/2/71/pdf |
| article html file updated | 17 May 2018 05:45 CEST | Original file | - |
| article pdf uploaded. | 17 May 2018 05:44 CEST | Version of Record | https://www.mdpi.com/2227-7102/8/2/71/pdf-vor |
| article xml file uploaded | 17 May 2018 05:44 CEST | Original file | - |
