| article html file updated | 8 February 2020 07:51 CET | Update | https://www.mdpi.com/2311-5637/3/2/26 |
| article html file updated | 25 September 2019 06:12 CEST | Update | - |
| article html file updated | 3 May 2019 18:16 CEST | Update | - |
| article html file updated | 29 June 2017 11:28 CEST | Update | - |
| article html file updated | 19 June 2017 10:57 CEST | Update | - |
| article xml uploaded. | 19 June 2017 10:56 CEST | Update | https://www.mdpi.com/2311-5637/3/2/26/xml |
| article pdf uploaded. | 19 June 2017 10:56 CEST | Updated version of record | https://www.mdpi.com/2311-5637/3/2/26/pdf |
| article html file updated | 9 June 2017 09:57 CEST | Original file | - |
| article pdf uploaded. | 9 June 2017 09:55 CEST | Version of Record | https://www.mdpi.com/2311-5637/3/2/26/pdf-vor |
