function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andrássy, I.', 3],
    ['Bohra, Padma', 2],
    ['Brzeski, M.', 1],
    ['Elshishka, Milka & Mladenov, Aleksandar & Lazarova, Stela', 1],
    ['Gerber, K.', 1],
    ['Girgan, Chantelle & Marais, Mariette & Fourie, Hendrika', 1],
    ['Gusakov, Vladimir A. & Gagarin, Vladimir G.', 1],
    ['Holovachov, Oleksandr', 22],
    ['Khudhir, Manda & Hodda, Mike & Nicholas, Evelyn', 3],
    ['Krainer, Liubomyr & Susulovsky, Andrij & Peña-Santiago, Reyes', 3],
    ['Nguyen, Thi Anh Duong & Abolafia, Joaquín & Bonkowski, Michael', 2],
    ['Nguyen, Thi Anh Duong & Hoang, Ha & Chu, Hoang Ha', 1],
    ['Pedram, Majid & Pourjam, Ebrahim & Vinciguerra, Maria T.', 2],
    ['Álvarez-Ortega, Sergio & Abolafia, Joaquín', 8],
    ['Álvarez-Ortega, Sergio & Abolafia, Joaquín & Liébanas, Gracia', 4],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=61)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);