| article html file updated | 7 February 2020 20:49 CET | Update | https://www.mdpi.com/1422-0067/18/1/101 |
| article html file updated | 22 September 2019 18:06 CEST | Update | - |
| article html file updated | 4 May 2019 16:42 CEST | Update | - |
| article html file updated | 8 February 2017 10:55 CET | Update | - |
| article html file updated | 5 January 2017 09:16 CET | Original file | - |
| article xml uploaded. | 5 January 2017 09:15 CET | Original file | https://www.mdpi.com/1422-0067/18/1/101/xml |
| article pdf uploaded. | 5 January 2017 09:15 CET | Version of Record | https://www.mdpi.com/1422-0067/18/1/101/pdf |
