function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arens, W.', 20],
    ['Carpenter, James M.', 10],
    ['Fateryga, A. V. & Proshchalykin, M. Yu. & Aliyev, Kh. A.', 7],
    ['Fateryga, Alexander V. & Proshchalykin, Maxim Yu.', 12],
    ['Gawas, Sandesh M. & Kumar, Girish & Pannure, Arati', 18],
    ['Grandinete, Yuri Campanholo & Noll, Fernando Barbosa', 18],
    ['Gusenleitner, J.', 31],
    ['J. M & Gusenleitner, J. & Madl, M.', 35],
    ['Nguyen, Lien Thi Phuong', 11],
    ['Nugroho, Hari & Kojima, Jun-Ichi & Ubaidillah, Rosichon', 8],
    ['Oehlke, J.', 8],
    ['Qin, Jiong & Chen, Bin & Li, Ting-Jing', 7],
    ['Sureshan, Pavittu M.', 19],
    ['Yildirim, E. & Gusenleitner, J.', 12],
    ['van Achterberg, Cornelis & Smit, John T. & Ljubomirov, Toshko', 14],
    ['Other (22)', 66]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=296)',
    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);