function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bush, Sarah E.', 10],
    ['Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L.', 13],
    ['Gustafsson, Daniel R. & Bush, Sarah E.', 16],
    ['Gustafsson, Daniel R. & Grossi, Alexandra A. & Halajian, Ali', 7],
    ['Gustafsson, Daniel R. & Najer, Tomas & Zou, Fasheng', 13],
    ['Gustafsson, Daniel R. & Oslejskova, Lucie & Najer, Tomas', 12],
    ['Gustafsson, Daniel R. & Zou, Fasheng & Oslejskova, Lucie', 6],
    ['Ilieva, Mihaela', 35],
    ['Jarayseh, Bashar & Amaya, Maria & Gustafsson, Daniel R.', 4],
    ['Najer, Tomas & Sychra, Oldrich & Hung, Nguyen Manh', 7],
    ['Ošlejšková, Lucie & Krištofík, Ján & Trnka, Alfréd', 27],
    ['Palma, Ricardo L. & Peck, Stewart B.', 3],
    ['Reeves, Will K. & Durden, Lance A. & Ritzi, Christopher M.', 4],
    ['Sánchez-Montes, Sokani & Colunga-Salas, Pablo', 11],
    ['Valim, Michel P. & Palma, Ricardo L.', 5],
    ['Other (7)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=186)',
    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);