Medical Journal of Indonesia is a peer-reviewed and open access journal that focuses on promoting medical sciences generated from basic sciences, clinical, and community or public health research to integrate researches in all aspects of human health. This journal publishes original articles, reviews, and also interesting case reports. Brief communications containing short features of medicine, latest developments in diagnostic procedures, treatment, or other health issues that is important for the development of health care system are also acceptable. Correspondence articles of our own published article are welcome.

Editorial

Research ethics in COVID-19 pandemic
Rianto Setiabudy


Commentary

Hajj health istithaah amid the COVID-19 pandemic
Muchtaruddin Mansyur

Hajj health management in Indonesia
Eka Jusup Singka, Innes Ericca


Basic Medical Research

1. Optimization of the apolipoprotein B mRNA editing enzyme catalytic polypeptidelike-3G (APOBEC3G) gene to enhance its expression in Escherichia coli
Rizkyana Avissa, Silvia Tri Widyaningtyas, Budiman Bela

2. Zika, chikungunya, and dengue viral infections in human peripheral blood mononuclear cells: cell susceptibility and gene expression
Ahmad Husein Alkaff, Benediktus Yohan, Usman Sumo Friend Tambunan, R. Tedjo Sasmono

3. Cytotoxic effect of natural cuttlefish bone xenograft: an in vitro and in vivo study
Komang Agung Irianto, Suyenci Limbong



Clinical Research

1. Causes of mortality in a neonatal intensive care unit in Iran: one year data
Milad Azami, Shamim Jasemi, Yosef Khalifpur, Gholamreza Badfar

2. Vitamin D₃ levels in the maternal serum, cord blood, and placenta of preeclamptic pregnant women
Noroyono Wibowo, Rima Irwinda, Yohanes Handoko

3. Factors associated with outcome of acute encephalitis in children: a retrospective study of three referral hospitals
Lucyana Alim Santoso, Dwi Putro Widodo, Zakiudin Munasir

4. Milk protein consumption improves muscle performance and total antioxidant status in young soccer athletes: a randomized controlled trial
Muhammad Irwan Setiawan, Hardhono Susanto, Martha Irene Kartasurya

5. Neutrophil-to-lymphocyte ratio for predictor of in-hospital mortality in ST-segment elevation myocardial infarction: a meta-analysis
Rodry Mikhael, Evan Hindoro, Sharleen Taner, Antonia Anna Lukito

6. MLH1 and MSH2 mismatch repair protein profile using immunohistochemistry in Nepalese colorectal cancer patients
Matrika Bhattarai, Wan Khairunnisa Wan Juhari, Raju Lama, Chin Bahadur Pun, Wardah Yusof, Wan Faiziah Wan Abdul Rahman, Andee Dzulkarnaen Zakaria, Khairul Bariah Ahmad Amin Noordin, Tilak R. Shrestha, Bin Alwi Zilfalil


Community Research

> Risk factors for asthma exacerbation among Hajj pilgrims: a case study from DKI Jakarta, Indonesia
Anshari Saifuddin, Ujainah Zaini Nasir, Iris Rengganis, Hamzah Shatri

> The implementation of health istithaah to the pilgrims with tuberculosis: a cross-sectional study in Jakarta, Indonesia
Ibnu Mas'ud, Ujainah Zaini Nasir, Ceva Wicaksono Pitoyo, Ikhwan Rinaldi

> Improving a long-acting reversible contraception usage by understanding client perspectives
Weni Kusumaningrum, Rita Damayanti, John Douglas Storey, Fitra Yelda

> Insights into the association between smoking and obesity: the 2014 Indonesian Family Life Survey
Yusuf Syaeful Nawawi, Afsheen Hasan, Liza Salawati, Husnah , Widiastuti


Case Report/Series

Percutaneous atrial septal defect closure using transesophageal echocardiography without fluoroscopy in a pregnant woman: a case report
Radityo Prakoso, Rina Ariani, Oktavia Lilyasari, Yovi Kurniawati, Sisca Natalia Siagian, Indriwanto Sakidjan, Poppy Soerwianti Roebiono, Anna Ulfah Rahajoe, Olfi Lelya, Aditya Agita Sembiring, Ganesja Moelia Harimurti

A case series of eight scoliosis patients undergone pedicle screw placement with freehand technique: study for safety and accuracy
Komang Agung Irianto, Marquee Kenny Tumbelaka



Review Article

Cybersex addiction: an overview of the development and treatment of a newly emerging disorder
I Gusti Ngurah Agastya, Kristiana Siste, Martina Wiwie Setiawan Nasrun, Irmia Kusumadewi


Erratum

Erratum: The use of high-resolution melting techniques for mutation screening of diseases caused by trinucleotide repeats expansion, with emphasis on the AR gene