| article html file updated | 9 February 2020 15:43 CET | Update | https://www.mdpi.com/1911-8074/11/2/22 |
| article html file updated | 30 April 2019 23:48 CEST | Update | N/A |
| article html file updated | 17 April 2019 00:27 CEST | Update | N/A |
| article html file updated | 29 March 2019 20:11 CET | Update | N/A |
| article html file updated | 28 June 2018 09:13 CEST | Update | N/A |
| article html file updated | 28 April 2018 09:00 CEST | Original file | N/A |
| article pdf uploaded. | 28 April 2018 08:59 CEST | Version of Record | https://www.mdpi.com/1911-8074/11/2/22/pdf |
| article xml uploaded. | 28 April 2018 08:59 CEST | Update | https://www.mdpi.com/1911-8074/11/2/22/xml |
| article xml file uploaded | 28 April 2018 08:59 CEST | Original file | N/A |
