function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bouzan, Rodrigo Salvador & Iniesta, Luiz Felipe Moretti', 92],
    ['Bueno-Villegas, Julián & Sierwald, Petra', 40],
    ['Car, Catherine A. & Harvey, Mark S.', 44],
    ['Enghoff, Henrik', 51],
    ['Golovatch, Sergei & Stoev, Pavel', 48],
    ['Golovatch, Sergei I. & Wesener, Thomas', 135],
    ['Hollier, John & Stöckli, Eduard & Wesener, Thomas', 154],
    ['John Hollier & Edmund Schiller & Nesrine Akkari', 66],
    ['Keller, Oliver & Dunn, Ann & Soto-Adames, Felipe', 47],
    ['Likhitrakarn, Natdanai & Golovatch, Sergei I. & Panha, Somsak', 142],
    ['Likhitrakarn, Natdanai & Jirapatrasilp, Parin', 42],
    ['Means, Jackson C. & Hennen, Derek A. & Marek, Paul E.', 66],
    ['Mesibov, Robert', 273],
    ['Recuero, Ernesto & Sánchez-Vialas, Alberto', 96],
    ['Srisonchai, Ruttapon & Enghoff, Henrik & Likhitrakarn, Natdanai', 39],
    ['Other (182)', 1163]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=2498)',
    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);