function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Albrecht, Anders Christian', 6],
    ['Brumley, Cameron', 3],
    ['Brunet, Bryan M. T. & Raupach, Michael J. & Rehage, Heinz-Otto', 15],
    ['Fabricius, Johann Christian', 4],
    ['Fonscolombe, E. L. J. H. Boyer de', 3],
    ['González Rodríguez, Sandra & Mier Durante, Milagros-Pilar', 3],
    ['Lagos, Doris M. & Puttler, Benjamin & Voegtlin, David J.', 3],
    ['Linnaeus, Carolus', 32],
    ['Nafría, Juan Manuel Nieto & Ortego, Jaime & Brown, Paul A.', 4],
    ['Nieto Nafría, Juan M. & Ortego, Jaime & Moreno-González, Víctor', 6],
    ['Rodríguez, Sandra González & Brown, Paul A. & Ortego, Jaime', 5],
    ['Stekolshchikov, Andrey V.', 5],
    ['Stekolshchikov, Andrey V. & Novgorodova, Tatiana A.', 13],
    ['Stepanyan, Ilona & Barjadze, Shalva & Karagyan, Gayane', 28],
    ['Victor & Eastop, F. & Blackman, Roger L.', 13],
    ['Other (38)', 57]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=200)',
    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);