Editors of thematic issue

• Natalia Morze
• Jozef Malach
• Tatiana Noskova
• Antonio Reis
• Eugenia Smyrnova-Trybulska
   

Statistical Editor

• Magdalena Roszak - Department of Computer Science and Statistics, Poznan University of Medical Sciences, Poland
• Anna Sowińska - Department of Computer Science and Statistics, Poznan University of Medical Sciences, Poland
   

Proofreading Editors

• Ryszard Kalamarz - (University of Silesia in Katowice, Poland, Poland – English Language)
• Iwona Mokwa-Tarnowska - (Technical University in Gdańsk, Poland – English Language)
• Anna Kisiel (University of Silesia, Poland – English Language)
• Tatiana Pavlova - (Herzen State Pedagogical University of Russia, St. Petersburg, Russia – Russian Language)
• Olga Yakovleva - (Herzen State Pedagogical University of Russia, St. Petersburg, Russia – Russian Language)
• Małgorzata Bortliczek - (University of Silesia in Katowice, Poland – Polish Language)
• Sixto Cubo Delgado - (University of Extremadura, Spain – Spanish Language)
• Laura Alonso Díaz - (University of Extremadura, Spain – Spanish Language)
• Prudencia Gutiérrez Esteban - (University of Extremadura, Spain – Spanish Language)
• Gemma Delicado - (University of Extremadura, Spain – Spanish Language)
• Rafael Martín Espada - (University of Extremadura, Spain – Spanish Language)
• Juan Arias Masa - (University of Extremadura, Spain – Spanish Language)
   

Technical Editor

• Andrzej Szczurek - University of Silesia in Katowice, Poland