| article html file updated | 9 February 2020 20:57 CET | Update | https://www.mdpi.com/2311-5521/3/2/42 |
| article html file updated | 30 April 2019 12:09 CEST | Update | N/A |
| article html file updated | 16 April 2019 12:34 CEST | Update | N/A |
| article html file updated | 16 April 2019 07:16 CEST | Update | N/A |
| article html file updated | 30 March 2019 09:30 CET | Update | N/A |
| article html file updated | 27 June 2018 09:39 CEST | Update | N/A |
| article html file updated | 11 June 2018 03:48 CEST | Original file | N/A |
| article pdf uploaded. | 11 June 2018 03:46 CEST | Version of Record | https://www.mdpi.com/2311-5521/3/2/42/pdf |
| article xml uploaded. | 11 June 2018 03:46 CEST | Update | https://www.mdpi.com/2311-5521/3/2/42/xml |
| article xml file uploaded | 11 June 2018 03:46 CEST | Original file | N/A |