function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Coscarón, María Del Carmen', 1],
    ['Ghahari, Hassan & Moulet, Pierre & Rider, David A.', 1],
    ['Grazia, Jocelia & Schuh, Randall T. & Wheeler, Ward C.', 1],
    ['Grazia, Jocélia & Schwertner, Cristiano Feldens', 1],
    ['Heiss, Ernst & AndreasE & Lederwasch, Manfred & RomedU', 4],
    ['Hemala, Vladimír & Kocorek, Anna & Lis, Jerzy A.', 2],
    ['Kment, Petr & Kocorek, Anna', 5],
    ['Kocorek, Anna', 2],
    ['Kocorek, Anna & Ghate, Hemant', 1],
    ['Krüger, Andreas & Deckert, Jürgen', 2],
    ['Lis, Jerzy A.', 10],
    ['López, Guilherme E. L. & Carrenho, Renan', 2],
    ['Rédei, Dávid', 3],
    ['Schwertner, Cristiano F. & Grazia, Jocelia', 3],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 3],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=42)',
    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);