| article html file updated | 9 February 2020 20:34 CET | Update | https://www.mdpi.com/2313-0105/4/2/27 |
| article html file updated | 4 October 2019 08:39 CEST | Update | N/A |
| article html file updated | 30 April 2019 13:06 CEST | Update | N/A |
| article html file updated | 16 April 2019 13:46 CEST | Update | N/A |
| article html file updated | 16 April 2019 08:07 CEST | Update | N/A |
| article html file updated | 30 March 2019 08:25 CET | Update | N/A |
| article html file updated | 25 June 2018 11:55 CEST | Update | N/A |
| article html file updated | 7 June 2018 07:56 CEST | Original file | N/A |
| article pdf uploaded. | 7 June 2018 07:54 CEST | Version of Record | https://www.mdpi.com/2313-0105/4/2/27/pdf |
| article xml uploaded. | 7 June 2018 07:54 CEST | Update | https://www.mdpi.com/2313-0105/4/2/27/xml |
| article xml file uploaded | 7 June 2018 07:54 CEST | Original file | N/A |
