| article html file updated | 9 February 2020 21:06 CET | Update | https://www.mdpi.com/2227-9709/5/2/28 |
| article html file updated | 4 October 2019 12:02 CEST | Update | - |
| article html file updated | 30 April 2019 11:49 CEST | Update | - |
| article html file updated | 16 April 2019 12:13 CEST | Update | - |
| article html file updated | 16 April 2019 06:59 CEST | Update | - |
| article html file updated | 30 March 2019 09:50 CET | Update | - |
| article html file updated | 27 June 2018 09:56 CEST | Update | - |
| article html file updated | 12 June 2018 10:40 CEST | Original file | - |
| article xml uploaded. | 12 June 2018 10:38 CEST | Update | https://www.mdpi.com/2227-9709/5/2/28/xml |
| article pdf uploaded. | 12 June 2018 10:38 CEST | Updated version of record | https://www.mdpi.com/2227-9709/5/2/28/pdf |
| article pdf uploaded. | 11 June 2018 16:20 CEST | Updated version of record | https://www.mdpi.com/2227-9709/5/2/28/pdf-vor |
| article pdf uploaded. | 11 June 2018 16:19 CEST | Version of Record | https://www.mdpi.com/2227-9709/5/2/28/pdf-vor |
| article xml file uploaded | 11 June 2018 16:19 CEST | Original file | - |
