| article html file updated | 9 February 2020 16:04 CET | Update | https://www.mdpi.com/2226-4310/5/2/52 |
| article html file updated | 3 October 2019 04:18 CEST | Update | N/A |
| article html file updated | 30 April 2019 23:05 CEST | Update | N/A |
| article html file updated | 16 April 2019 23:40 CEST | Update | N/A |
| article html file updated | 29 March 2019 21:03 CET | Update | N/A |
| article html file updated | 27 June 2018 19:36 CEST | Update | N/A |
| article html file updated | 2 May 2018 15:29 CEST | Original file | N/A |
| article pdf uploaded. | 2 May 2018 12:51 CEST | Version of Record | https://www.mdpi.com/2226-4310/5/2/52/pdf |
| article xml uploaded. | 2 May 2018 12:51 CEST | Update | https://www.mdpi.com/2226-4310/5/2/52/xml |
| article xml file uploaded | 2 May 2018 12:51 CEST | Original file | N/A |