function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Carpintero, Diego Leonardo & Biase, Sebastián De', 3],
    ['Carvajal, Mariom A. & Faúndez, Eduardo I. & Rider, David A.', 3],
    ['Carvajal, Máriom A. & Rider, David A. & Faúndez, Eduardo I.', 2],
    ['Coscarón, María Del Carmen', 29],
    ['Dursun, A. & Fent, M.', 3],
    ['Faúndez, Eduardo I.', 5],
    ['Ghahari, Hassan & Moulet, Pierre & Rider, David A.', 9],
    ['Ishikawa, Tadashi & Saito, Masayuki U. & Kishimoto-Yamada, Keiko', 6],
    ['Jung, Sunghoon', 8],
    ['Kment, Petr', 13],
    ['Kment, Petr & Jindra, Zdeněk & Rider, David A.', 3],
    ['Linnavuori, Rauno E.', 3],
    ['Tsai, Jing-Fu & Rédei, Dávid', 16],
    ['Vinokurov, N. N. & Rudoi, V. V.', 3],
    ['Vinokurov, Nikolay N. & Rudoi, Valentin V.', 4],
    ['Other (19)', 21]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=131)',
    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);