| article html file updated | 8 February 2020 07:10 CET | Update | https://www.mdpi.com/2311-5637/3/2/25 |
| article html file updated | 25 September 2019 02:43 CEST | Update | - |
| article html file updated | 3 May 2019 19:33 CEST | Update | - |
| article html file updated | 29 June 2017 11:28 CEST | Update | - |
| article html file updated | 1 June 2017 10:23 CEST | Original file | - |
| article xml uploaded. | 1 June 2017 10:21 CEST | Update | https://www.mdpi.com/2311-5637/3/2/25/xml |
| article pdf uploaded. | 1 June 2017 10:21 CEST | Version of Record | https://www.mdpi.com/2311-5637/3/2/25/pdf |
