function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barney, Robert J.', 266],
    ['Bezděk, Jan', 408],
    ['Biondi, Maurizio & D\'Alessandro, Paola', 103],
    ['Borowiec, Lech & Świętojańska, Jolanta', 106],
    ['Cho, H. - W. & An, S. L.', 370],
    ['Ekiz, Ali Nafiz & Şen, İsmail & Aslan, Ebru Gül & Gök, Ali', 130],
    ['Ghahari, Hassan & Borowiec, Lech', 118],
    ['Lee, Chi-Feng', 92],
    ['Linnaeus, Carolus', 106],
    ['Petitpierre, Eduard & Sacarés, Antoni & Jurado-Rivera, José A.', 119],
    ['Ruan, Yongying & Yang, Xingke & Konstantinov, Alexander S.', 90],
    ['Sekerka, Lukáš', 582],
    ['Staines, C. L.', 119],
    ['Staines, Charles L. & Garcia-Robledo, Carlos', 216],
    ['Viswajyothi, Keezhpattillam & Clark, Shawn M.', 125],
    ['Other (445)', 4412]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=7362)',
    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);