function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Di, Osvaldo R. & Turienzo, Paola N.', 1],
    ['Fabricii, Ioh. Christ.', 3],
    ['Fabricius, Johann Christian', 4],
    ['Fernandes, José Antônio Marin & Grazia, Jocélia', 1],
    ['Ghahari, Hassan & Moulet, Pierre & Ostovan, Hadi', 1],
    ['Ghahari, Hassan & Moulet, Pierre & Rider, David A.', 1],
    ['Ghazarayan, Astghik & Hayrpetyan, Tigran & Natradze, Ioseb', 1],
    ['Heiss, Ernst & Eckelt, Andreas & Lederwasch, Manfred', 7],
    ['Iorio, Osvaldo Di', 2],
    ['Lichtenstein, Anton August Heinrich', 1],
    ['Linnaeus, Carolus', 101],
    ['Poda, Nicolaus', 4],
    ['Reeves, Will K. & Durden, Lance A. & Wrenn, William J.', 2],
    ['Schrank, Franz von Paula', 2],
    ['Scopoli, G. A.', 4],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=143)',
    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);