function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alberto T. Barrion & Aimee Lynn A. Barrion-Dupo', 1],
    ['Biswas, B. & Majumder, S. C.', 3],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 2],
    ['Crespo, Luis C & Domenech, Marc & Enguidanos, Alba', 2],
    ['Dean, David Allen', 5],
    ['Deltshev, Christo & Komnenov, Marjan & Blagoev, Gergin', 2],
    ['Isaia, Marco & Paschetta, Mauro & Chiarle, Alberto', 2],
    ['Jäger, Peter', 1],
    ['Lin, Yejie & Wu, Lingbing & Cai, Ducheng & Li, Shuqiang', 1],
    ['Marusik, Yuri M. & Koponen, Seppo', 2],
    ['Milano, Filippo & Mammola, Stefano & Rollard, Christine', 1],
    ['Norma-Rashid, Y. & Li, Daiqin', 2],
    ['Tanikawa, Akio', 10],
    ['Tanikawa, Akio & Ono, Hirotsugu', 4],
    ['W. Framenau, Volker', 5],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=47)',
    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);