| article html file updated | 9 February 2020 19:52 CET | Update | https://www.mdpi.com/2311-5521/3/2/38 |
| article html file updated | 4 October 2019 04:11 CEST | Update | N/A |
| article html file updated | 30 April 2019 14:45 CEST | Update | N/A |
| article html file updated | 16 April 2019 15:19 CEST | Update | N/A |
| article html file updated | 30 March 2019 06:38 CET | Update | N/A |
| article html file updated | 27 June 2018 09:34 CEST | Update | N/A |
| article html file updated | 1 June 2018 10:44 CEST | Original file | N/A |
| article pdf uploaded. | 1 June 2018 10:43 CEST | Version of Record | https://www.mdpi.com/2311-5521/3/2/38/pdf |
| article xml uploaded. | 1 June 2018 10:43 CEST | Update | https://www.mdpi.com/2311-5521/3/2/38/xml |
| article xml file uploaded | 1 June 2018 10:43 CEST | Original file | N/A |
