| article html file updated | 9 February 2020 18:59 CET | Update | https://www.mdpi.com/2227-9709/5/2/26 |
| article html file updated | 3 October 2019 22:57 CEST | Update | N/A |
| article html file updated | 30 April 2019 16:46 CEST | Update | N/A |
| article html file updated | 16 April 2019 17:13 CEST | Update | N/A |
| article html file updated | 30 March 2019 04:30 CET | Update | N/A |
| article html file updated | 27 June 2018 09:55 CEST | Update | N/A |
| article html file updated | 25 May 2018 08:54 CEST | Original file | N/A |
| article pdf uploaded. | 25 May 2018 08:53 CEST | Version of Record | https://www.mdpi.com/2227-9709/5/2/26/pdf |
| article xml uploaded. | 25 May 2018 08:53 CEST | Update | https://www.mdpi.com/2227-9709/5/2/26/xml |
| article xml file uploaded | 25 May 2018 08:53 CEST | Original file | N/A |
