function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amún, Cristian & Claps, Lucía E.', 16],
    ['Hardy, Nate & Henderson, Rosa C.', 17],
    ['Hardy, Nate B. & Williams, Douglas J.', 15],
    ['Kondo, Takumasa & Muñoz, Jazmín Adriana', 16],
    ['Lázaro-Castellanos, Carlos & González-Hernández, Héctor', 19],
    ['Maskell, William Miles', 21],
    ['Mifsud, David & Mazzeo, Gaetana & Russo, Agatino', 54],
    ['Mille, Christian & Henderson, Rosa C. & Cazères, Sylvie', 51],
    ['Moghaddam, Masumeh', 158],
    ['Novoa, Nereida Mestre & Hamon, Avas & Evans, Greg', 23],
    ['Stalažs, Arturs', 18],
    ['Suh, Soo-Jung', 18],
    ['Suh, Soo-Jung & Bombay, Khanxay', 20],
    ['Suh, Soo-Jung & Hyun, Ik-Hwa', 17],
    ['Williams, Douglas J. & Ben-Dov, Yair', 25],
    ['Other (104)', 306]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=794)',
    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);