function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chamutiová, Tímea & Hamerlík, Ladislav & Bitušík, Peter', 3],
    ['Chertoprud, Mikhail V. & Palatov, Dmitry M.', 1],
    ['Correia, Leny Célia Da Silva & Trivinho-Strixino, Susana', 6],
    ['Cranston, Peter S.', 2],
    ['Eiseman, Charles S. & Namayandeh, Armin & Linden, John Van Der', 1],
    ['Johannse, O. A.', 2],
    ['Mendes, Humberto Fonseca & Pinho, Luiz Carlos', 3],
    ['Michailova, Paraskeva', 21],
    ['Pal, G. & Hazra, N.', 2],
    ['Saether, Ole A.', 25],
    ['Tasdemir, Ayse & Akyildiz, Gurcay Kivanc', 12],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 5],
    ['Wuelker, Wolfgang & Martin, Jon & Kiknadze, Iya I.', 2],
    ['Wuelker, Wolfgang F. & Kiknadze, I. I. & Istomina, A. G.', 6],
    ['Yamamoto, Nao & Yamamoto, Masaru', 7],
    ['Other (20)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=118)',
    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);