function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aubriot, Xavier & Knapp, Sandra', 52],
    ['Barboza, Gloria E. & Garcia, Carolina Carrizo', 50],
    ['Dean, Ellen & Poore, Jennifer', 59],
    ['Deanna, Rocio & Gonzalez, Segundo Leiva & Barboza, Gloria Estela', 33],
    ['Hess, Hans Ernst & Landolt, Elias & Hirzel, Rosmarie', 28],
    ['Info Flora', 29],
    ['Jarvis, Charlie', 107],
    ['Knapp, Sandra', 80],
    ['Knapp, Sandra & Saerkinen, Tiina & Barboza, Gloria E.', 62],
    ['Linnaeus, Carolus', 62],
    ['Madrid, Anales del Jardín Botánico de & 2009 & Knapp, Sandra', 90],
    ['McQuate, Grant T. & Liquido, Nicanor J.', 41],
    ['Morales-Fierro, Vanezza & Munoz-Schick, Melica', 19],
    ['Symon, David Eric', 20],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 22],
    ['Other (141)', 484]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1238)',
    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);